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authorAndrew Tridgell <tridge@samba.org>2003-08-13 01:53:07 +0000
committerAndrew Tridgell <tridge@samba.org>2003-08-13 01:53:07 +0000
commitef2e26c91b80556af033d3335e55f5dfa6fff31d (patch)
treefaa21bfd7e7b5247250b47c7891dc1a5ebee6be9 /source4/printing/print_cups.c
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first public release of samba4 code
(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)
Diffstat (limited to 'source4/printing/print_cups.c')
-rw-r--r--source4/printing/print_cups.c1293
1 files changed, 1293 insertions, 0 deletions
diff --git a/source4/printing/print_cups.c b/source4/printing/print_cups.c
new file mode 100644
index 0000000000..7cf21c966e
--- /dev/null
+++ b/source4/printing/print_cups.c
@@ -0,0 +1,1293 @@
+/*
+ * Support code for the Common UNIX Printing System ("CUPS")
+ *
+ * Copyright 1999-2003 by Michael R Sweet.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "printing.h"
+
+#ifdef HAVE_CUPS
+#include <cups/cups.h>
+#include <cups/language.h>
+
+
+/*
+ * CUPS printing interface definitions...
+ */
+
+static int cups_job_delete(int snum, struct printjob *pjob);
+static int cups_job_pause(int snum, struct printjob *pjob);
+static int cups_job_resume(int snum, struct printjob *pjob);
+static int cups_job_submit(int snum, struct printjob *pjob);
+static int cups_queue_get(int snum, print_queue_struct **q,
+ print_status_struct *status);
+static int cups_queue_pause(int snum);
+static int cups_queue_resume(int snum);
+
+
+struct printif cups_printif =
+ {
+ cups_queue_get,
+ cups_queue_pause,
+ cups_queue_resume,
+ cups_job_delete,
+ cups_job_pause,
+ cups_job_resume,
+ cups_job_submit,
+ };
+
+/*
+ * 'cups_passwd_cb()' - The CUPS password callback...
+ */
+
+static const char * /* O - Password or NULL */
+cups_passwd_cb(const char *prompt) /* I - Prompt */
+{
+ /*
+ * Always return NULL to indicate that no password is available...
+ */
+
+ return (NULL);
+}
+
+
+/*
+ * 'cups_printer_fn()' - Call a function for every printer known to the
+ * system.
+ */
+
+void cups_printer_fn(void (*fn)(char *, char *))
+{
+ /* I - Function to call */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ ipp_attribute_t *attr; /* Current attribute */
+ cups_lang_t *language; /* Default language */
+ char *name, /* printer-name attribute */
+ *make_model, /* printer-make-and-model attribute */
+ *info; /* printer-info attribute */
+ static const char *requested[] =/* Requested attributes */
+ {
+ "printer-name",
+ "printer-make-and-model",
+ "printer-info"
+ };
+
+
+ DEBUG(5,("cups_printer_fn(%p)\n", fn));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return;
+ }
+
+ /*
+ * Build a CUPS_GET_PRINTERS request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * requested-attributes
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = CUPS_GET_PRINTERS;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requested-attributes",
+ (sizeof(requested) / sizeof(requested[0])),
+ NULL, requested);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoRequest(http, request, "/")) == NULL)
+ {
+ DEBUG(0,("Unable to get printer list - %s\n",
+ ippErrorString(cupsLastError())));
+ httpClose(http);
+ return;
+ }
+
+ for (attr = response->attrs; attr != NULL;)
+ {
+ /*
+ * Skip leading attributes until we hit a printer...
+ */
+
+ while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+ attr = attr->next;
+
+ if (attr == NULL)
+ break;
+
+ /*
+ * Pull the needed attributes from this printer...
+ */
+
+ name = NULL;
+ make_model = NULL;
+ info = NULL;
+
+ while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+ {
+ if (strcmp(attr->name, "printer-name") == 0 &&
+ attr->value_tag == IPP_TAG_NAME)
+ name = attr->values[0].string.text;
+
+ if (strcmp(attr->name, "printer-make-and-model") == 0 &&
+ attr->value_tag == IPP_TAG_TEXT)
+ make_model = attr->values[0].string.text;
+
+ if (strcmp(attr->name, "printer-info") == 0 &&
+ attr->value_tag == IPP_TAG_TEXT)
+ info = attr->values[0].string.text;
+
+ attr = attr->next;
+ }
+
+ /*
+ * See if we have everything needed...
+ */
+
+ if (name == NULL)
+ break;
+
+ if (info == NULL || !info[0])
+ (*fn)(name, make_model);
+ else
+ (*fn)(name, info);
+
+
+ }
+
+ ippDelete(response);
+
+
+ /*
+ * Build a CUPS_GET_CLASSES request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * requested-attributes
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = CUPS_GET_CLASSES;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requested-attributes",
+ (sizeof(requested) / sizeof(requested[0])),
+ NULL, requested);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoRequest(http, request, "/")) == NULL)
+ {
+ DEBUG(0,("Unable to get printer list - %s\n",
+ ippErrorString(cupsLastError())));
+ httpClose(http);
+ return;
+ }
+
+ for (attr = response->attrs; attr != NULL;)
+ {
+ /*
+ * Skip leading attributes until we hit a printer...
+ */
+
+ while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
+ attr = attr->next;
+
+ if (attr == NULL)
+ break;
+
+ /*
+ * Pull the needed attributes from this printer...
+ */
+
+ name = NULL;
+ make_model = NULL;
+ info = NULL;
+
+ while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
+ {
+ if (strcmp(attr->name, "printer-name") == 0 &&
+ attr->value_tag == IPP_TAG_NAME)
+ name = attr->values[0].string.text;
+
+ if (strcmp(attr->name, "printer-make-and-model") == 0 &&
+ attr->value_tag == IPP_TAG_TEXT)
+ make_model = attr->values[0].string.text;
+
+ if (strcmp(attr->name, "printer-info") == 0 &&
+ attr->value_tag == IPP_TAG_TEXT)
+ info = attr->values[0].string.text;
+
+ attr = attr->next;
+ }
+
+ /*
+ * See if we have everything needed...
+ */
+
+ if (name == NULL)
+ break;
+
+ if (info == NULL || !info[0])
+ (*fn)(name, make_model);
+ else
+ (*fn)(name, info);
+
+
+ }
+
+ ippDelete(response);
+
+ /*
+ * Close the connection to the server...
+ */
+
+ httpClose(http);
+}
+
+
+/*
+ * 'cups_printername_ok()' - Provide the equivalent of pcap_printername_ok()
+ * for CUPS.
+ * O - 1 if printer name OK
+ * I - Name of printer
+ */
+int cups_printername_ok(const char *name)
+{
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_printername_ok(\"%s\")\n", name));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(3,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (0);
+ }
+
+ /*
+ * Build an IPP_GET_PRINTER_ATTRS request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * requested-attributes
+ * printer-uri
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requested-attributes", NULL, "printer-uri");
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", name);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+ "printer-uri", NULL, uri);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoRequest(http, request, "/")) == NULL)
+ {
+ DEBUG(3,("Unable to get printer status for %s - %s\n", name,
+ ippErrorString(cupsLastError())));
+ httpClose(http);
+ return (0);
+ }
+
+ httpClose(http);
+
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ {
+ DEBUG(3,("Unable to get printer status for %s - %s\n", name,
+ ippErrorString(response->request.status.status_code)));
+ ippDelete(response);
+ return (0);
+ }
+ else
+ {
+ ippDelete(response);
+ return (1);
+ }
+}
+
+
+/*
+ * 'cups_job_delete()' - Delete a job.
+ */
+
+static int
+cups_job_delete(int snum, struct printjob *pjob)
+{
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_job_delete(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_CANCEL_JOB request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * job-uri
+ * requesting-user-name
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_CANCEL_JOB;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, pjob->user);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ ret = 1;
+
+ if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ return (ret);
+}
+
+
+/*
+ * 'cups_job_pause()' - Pause a job.
+ */
+
+static int
+cups_job_pause(int snum, struct printjob *pjob)
+{
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_HOLD_JOB request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * job-uri
+ * requesting-user-name
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_HOLD_JOB;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, pjob->user);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ ret = 1;
+
+ if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ return (ret);
+}
+
+
+/*
+ * 'cups_job_resume()' - Resume a paused job.
+ */
+
+static int
+cups_job_resume(int snum, struct printjob *pjob)
+{
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_RELEASE_JOB request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * job-uri
+ * requesting-user-name
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_RELEASE_JOB;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, pjob->user);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ ret = 1;
+
+ if ((response = cupsDoRequest(http, request, "/jobs")) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ return (ret);
+}
+
+
+/*
+ * 'cups_job_submit()' - Submit a job for printing.
+ */
+
+static int
+cups_job_submit(int snum, struct printjob *pjob)
+{
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_PRINT_JOB request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * printer-uri
+ * requesting-user-name
+ * [document-data]
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_PRINT_JOB;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
+ PRINTERNAME(snum));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+ "printer-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, pjob->user);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "job-originating-host-name", NULL,
+ get_remote_machine_name());
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
+ pjob->jobname);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ slprintf(uri, sizeof(uri) - 1, "/printers/%s", PRINTERNAME(snum));
+
+ ret = 1;
+ if ((response = cupsDoFileRequest(http, request, uri,
+ pjob->filename)) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ if ( ret == 0 )
+ unlink(pjob->filename);
+ /* else print_job_end will do it for us */
+
+ return (ret);
+}
+
+
+/*
+ * 'cups_queue_get()' - Get all the jobs in the print queue.
+ */
+
+static int
+cups_queue_get(int snum, print_queue_struct **q, print_status_struct *status)
+{
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ ipp_attribute_t *attr; /* Current attribute */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+ int qcount, /* Number of active queue entries */
+ qalloc; /* Number of queue entries allocated */
+ print_queue_struct *queue, /* Queue entries */
+ *temp; /* Temporary pointer for queue */
+ const char *user_name, /* job-originating-user-name attribute */
+ *job_name; /* job-name attribute */
+ int job_id; /* job-id attribute */
+ int job_k_octets; /* job-k-octets attribute */
+ time_t job_time; /* time-at-creation attribute */
+ ipp_jstate_t job_status; /* job-status attribute */
+ int job_priority; /* job-priority attribute */
+ static const char *jattrs[] = /* Requested job attributes */
+ {
+ "job-id",
+ "job-k-octets",
+ "job-name",
+ "job-originating-user-name",
+ "job-priority",
+ "job-state",
+ "time-at-creation",
+ };
+ static const char *pattrs[] = /* Requested printer attributes */
+ {
+ "printer-state",
+ "printer-state-message"
+ };
+
+
+ DEBUG(5,("cups_queue_get(%d, %p, %p)\n", snum, q, status));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (0);
+ }
+
+ /*
+ * Generate the printer URI...
+ */
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
+ PRINTERNAME(snum));
+
+ /*
+ * Build an IPP_GET_JOBS request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * requested-attributes
+ * printer-uri
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_GET_JOBS;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requested-attributes",
+ (sizeof(jattrs) / sizeof(jattrs[0])),
+ NULL, jattrs);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+ "printer-uri", NULL, uri);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoRequest(http, request, "/")) == NULL)
+ {
+ DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
+ ippErrorString(cupsLastError())));
+ httpClose(http);
+ return (0);
+ }
+
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ {
+ DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
+ ippErrorString(response->request.status.status_code)));
+ ippDelete(response);
+ httpClose(http);
+
+ return (0);
+ }
+
+ /*
+ * Process the jobs...
+ */
+
+ qcount = 0;
+ qalloc = 0;
+ queue = NULL;
+
+ for (attr = response->attrs; attr != NULL; attr = attr->next)
+ {
+ /*
+ * Skip leading attributes until we hit a job...
+ */
+
+ while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
+ attr = attr->next;
+
+ if (attr == NULL)
+ break;
+
+ /*
+ * Allocate memory as needed...
+ */
+ if (qcount >= qalloc)
+ {
+ qalloc += 16;
+
+ temp = Realloc(queue, sizeof(print_queue_struct) * qalloc);
+
+ if (temp == NULL)
+ {
+ DEBUG(0,("cups_queue_get: Not enough memory!"));
+ ippDelete(response);
+ httpClose(http);
+
+ SAFE_FREE(queue);
+ return (0);
+ }
+
+ queue = temp;
+ }
+
+ temp = queue + qcount;
+ memset(temp, 0, sizeof(print_queue_struct));
+
+ /*
+ * Pull the needed attributes from this job...
+ */
+
+ job_id = 0;
+ job_priority = 50;
+ job_status = IPP_JOB_PENDING;
+ job_time = 0;
+ job_k_octets = 0;
+ user_name = NULL;
+ job_name = NULL;
+
+ while (attr != NULL && attr->group_tag == IPP_TAG_JOB)
+ {
+ if (attr->name == NULL)
+ {
+ attr = attr->next;
+ break;
+ }
+
+ if (strcmp(attr->name, "job-id") == 0 &&
+ attr->value_tag == IPP_TAG_INTEGER)
+ job_id = attr->values[0].integer;
+
+ if (strcmp(attr->name, "job-k-octets") == 0 &&
+ attr->value_tag == IPP_TAG_INTEGER)
+ job_k_octets = attr->values[0].integer;
+
+ if (strcmp(attr->name, "job-priority") == 0 &&
+ attr->value_tag == IPP_TAG_INTEGER)
+ job_priority = attr->values[0].integer;
+
+ if (strcmp(attr->name, "job-state") == 0 &&
+ attr->value_tag == IPP_TAG_ENUM)
+ job_status = (ipp_jstate_t)(attr->values[0].integer);
+
+ if (strcmp(attr->name, "time-at-creation") == 0 &&
+ attr->value_tag == IPP_TAG_INTEGER)
+ job_time = attr->values[0].integer;
+
+ if (strcmp(attr->name, "job-name") == 0 &&
+ attr->value_tag == IPP_TAG_NAME)
+ job_name = attr->values[0].string.text;
+
+ if (strcmp(attr->name, "job-originating-user-name") == 0 &&
+ attr->value_tag == IPP_TAG_NAME)
+ user_name = attr->values[0].string.text;
+
+ attr = attr->next;
+ }
+
+ /*
+ * See if we have everything needed...
+ */
+
+ if (user_name == NULL || job_name == NULL || job_id == 0)
+ {
+ if (attr == NULL)
+ break;
+ else
+ continue;
+ }
+
+ temp->job = job_id;
+ temp->size = job_k_octets * 1024;
+ temp->status = job_status == IPP_JOB_PENDING ? LPQ_QUEUED :
+ job_status == IPP_JOB_STOPPED ? LPQ_PAUSED :
+ job_status == IPP_JOB_HELD ? LPQ_PAUSED :
+ LPQ_PRINTING;
+ temp->priority = job_priority;
+ temp->time = job_time;
+ strncpy(temp->fs_user, user_name, sizeof(temp->fs_user) - 1);
+ strncpy(temp->fs_file, job_name, sizeof(temp->fs_file) - 1);
+
+ qcount ++;
+
+ if (attr == NULL)
+ break;
+ }
+
+ ippDelete(response);
+
+ /*
+ * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
+ * following attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * requested-attributes
+ * printer-uri
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requested-attributes",
+ (sizeof(pattrs) / sizeof(pattrs[0])),
+ NULL, pattrs);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
+ "printer-uri", NULL, uri);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoRequest(http, request, "/")) == NULL)
+ {
+ DEBUG(0,("Unable to get printer status for %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+ httpClose(http);
+ *q = queue;
+ return (qcount);
+ }
+
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ {
+ DEBUG(0,("Unable to get printer status for %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(response->request.status.status_code)));
+ ippDelete(response);
+ httpClose(http);
+ *q = queue;
+ return (qcount);
+ }
+
+ /*
+ * Get the current printer status and convert it to the SAMBA values.
+ */
+
+ if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
+ {
+ if (attr->values[0].integer == IPP_PRINTER_STOPPED)
+ status->status = LPSTAT_STOPPED;
+ else
+ status->status = LPSTAT_OK;
+ }
+
+ if ((attr = ippFindAttribute(response, "printer-state-message",
+ IPP_TAG_TEXT)) != NULL)
+ fstrcpy(status->message, attr->values[0].string.text);
+
+ ippDelete(response);
+
+ /*
+ * Return the job queue...
+ */
+
+ httpClose(http);
+
+ *q = queue;
+ return (qcount);
+}
+
+
+/*
+ * 'cups_queue_pause()' - Pause a print queue.
+ */
+
+static int
+cups_queue_pause(int snum)
+{
+ extern userdom_struct current_user_info;
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_queue_pause(%d)\n", snum));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_PAUSE_PRINTER request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * printer-uri
+ * requesting-user-name
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_PAUSE_PRINTER;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
+ PRINTERNAME(snum));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, current_user_info.unix_name);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ ret = 1;
+
+ if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ return (ret);
+}
+
+
+/*
+ * 'cups_queue_resume()' - Restart a print queue.
+ */
+
+static int
+cups_queue_resume(int snum)
+{
+ extern userdom_struct current_user_info;
+ int ret; /* Return value */
+ http_t *http; /* HTTP connection to server */
+ ipp_t *request, /* IPP Request */
+ *response; /* IPP Response */
+ cups_lang_t *language; /* Default language */
+ char uri[HTTP_MAX_URI]; /* printer-uri attribute */
+
+
+ DEBUG(5,("cups_queue_resume(%d)\n", snum));
+
+ /*
+ * Make sure we don't ask for passwords...
+ */
+
+ cupsSetPasswordCB(cups_passwd_cb);
+
+ /*
+ * Try to connect to the server...
+ */
+
+ if ((http = httpConnect(cupsServer(), ippPort())) == NULL)
+ {
+ DEBUG(0,("Unable to connect to CUPS server %s - %s\n",
+ cupsServer(), strerror(errno)));
+ return (1);
+ }
+
+ /*
+ * Build an IPP_RESUME_PRINTER request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * printer-uri
+ * requesting-user-name
+ */
+
+ request = ippNew();
+
+ request->request.op.operation_id = IPP_RESUME_PRINTER;
+ request->request.op.request_id = 1;
+
+ language = cupsLangDefault();
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
+ "attributes-charset", NULL, cupsLangEncoding(language));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
+ "attributes-natural-language", NULL, language->language);
+
+ slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
+ PRINTERNAME(snum));
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
+ NULL, current_user_info.unix_name);
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ ret = 1;
+
+ if ((response = cupsDoRequest(http, request, "/admin/")) != NULL)
+ {
+ if (response->request.status.status_code >= IPP_OK_CONFLICT)
+ DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+ else
+ ret = 0;
+
+ ippDelete(response);
+ }
+ else
+ DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum),
+ ippErrorString(cupsLastError())));
+
+ httpClose(http);
+
+ return (ret);
+}
+
+
+#else
+ /* this keeps fussy compilers happy */
+ void print_cups_dummy(void) {}
+#endif /* HAVE_CUPS */