diff options
Diffstat (limited to 'source3/printing/print_cups.c')
| -rw-r--r-- | source3/printing/print_cups.c | 1347 |
1 files changed, 1347 insertions, 0 deletions
diff --git a/source3/printing/print_cups.c b/source3/printing/print_cups.c new file mode 100644 index 0000000000..593c5c7a1f --- /dev/null +++ b/source3/printing/print_cups.c @@ -0,0 +1,1347 @@ +/* + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +#include "includes.h" +#include "printing.h" + +#ifdef HAVE_CUPS +#include <cups/cups.h> +#include <cups/language.h> + +extern userdom_struct current_user_info; + +/* + * '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); +} + +static http_t *cups_connect(void) +{ + http_t *http; + char *server, *p; + int port; + + if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) { + server = smb_xstrdup(lp_cups_server()); + } else { + server = smb_xstrdup(cupsServer()); + } + + p = strchr(server, ':'); + if (p) { + port = atoi(p+1); + *p = '\0'; + } else { + port = ippPort(); + } + + DEBUG(10, ("connecting to cups server %s:%d\n", + server, port)); + + if ((http = httpConnect(server, port)) == NULL) { + DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n", + server, port, strerror(errno))); + SAFE_FREE(server); + return NULL; + } + + SAFE_FREE(server); + return http; +} + +bool cups_cache_reload(void) +{ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + ipp_attribute_t *attr; /* Current attribute */ + cups_lang_t *language = NULL; /* Default language */ + char *name, /* printer-name attribute */ + *info; /* printer-info attribute */ + static const char *requested[] =/* Requested attributes */ + { + "printer-name", + "printer-info" + }; + bool ret = False; + + DEBUG(5, ("reloading cups printcap cache\n")); + + /* + * Make sure we don't ask for passwords... + */ + + cupsSetPasswordCB(cups_passwd_cb); + + /* + * Try to connect to the server... + */ + + if ((http = cups_connect()) == NULL) { + goto out; + } + + /* + * 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()))); + goto out; + } + + 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; + 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-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 (!pcap_cache_add(name, info)) { + goto out; + } + } + + ippDelete(response); + response = NULL; + + /* + * 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; + + 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()))); + goto out; + } + + 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; + 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-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 (!pcap_cache_add(name, info)) { + goto out; + } + } + + ret = True; + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + + +/* + * 'cups_job_delete()' - Delete a job. + */ + +static int cups_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* Default language */ + char uri[HTTP_MAX_URI]; /* printer-uri attribute */ + + + DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob)); + + /* + * Make sure we don't ask for passwords... + */ + + cupsSetPasswordCB(cups_passwd_cb); + + /* + * Try to connect to the server... + */ + + if ((http = cups_connect()) == NULL) { + goto out; + } + + /* + * 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... + */ + + 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; + } + } else { + DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob, + ippErrorString(cupsLastError()))); + } + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + + +/* + * 'cups_job_pause()' - Pause a job. + */ + +static int cups_job_pause(int snum, struct printjob *pjob) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* 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 = cups_connect()) == NULL) { + goto out; + } + + /* + * 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... + */ + + 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; + } + } else { + DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob, + ippErrorString(cupsLastError()))); + } + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + + +/* + * 'cups_job_resume()' - Resume a paused job. + */ + +static int cups_job_resume(int snum, struct printjob *pjob) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* 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 = cups_connect()) == NULL) { + goto out; + } + + /* + * 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... + */ + + 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; + } + } else { + DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob, + ippErrorString(cupsLastError()))); + } + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + + +/* + * 'cups_job_submit()' - Submit a job for printing. + */ + +static int cups_job_submit(int snum, struct printjob *pjob) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* Default language */ + char uri[HTTP_MAX_URI]; /* printer-uri attribute */ + const char *clientname = NULL; /* hostname of client for job-originating-host attribute */ + char *new_jobname = NULL; + int num_options = 0; + cups_option_t *options = NULL; + char addr[INET6_ADDRSTRLEN]; + + 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 = cups_connect()) == NULL) { + goto out; + } + + /* + * 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); + + clientname = client_name(get_client_fd()); + if (strcmp(clientname, "UNKNOWN") == 0) { + clientname = client_addr(get_client_fd(),addr,sizeof(addr)); + } + + ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, + "job-originating-host-name", NULL, + clientname); + + if (asprintf(&new_jobname,"%s%.8u %s", PRINT_SPOOL_PREFIX, + (unsigned int)pjob->smbjob, pjob->jobname) < 0) { + goto out; + } + + ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, + new_jobname); + + /* + * add any options defined in smb.conf + */ + + num_options = 0; + options = NULL; + num_options = cupsParseOptions(lp_cups_options(snum), num_options, &options); + + if ( num_options ) + cupsEncodeOptions(request, num_options, options); + + /* + * Do the request and get back a response... + */ + + slprintf(uri, sizeof(uri) - 1, "/printers/%s", PRINTERNAME(snum)); + + 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; + } + } else { + DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum), + ippErrorString(cupsLastError()))); + } + + if ( ret == 0 ) + unlink(pjob->filename); + /* else print_job_end will do it for us */ + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + SAFE_FREE(new_jobname); + + return ret; +} + +/* + * 'cups_queue_get()' - Get all the jobs in the print queue. + */ + +static int cups_queue_get(const char *sharename, + enum printing_types printing_type, + char *lpq_command, + print_queue_struct **q, + print_status_struct *status) +{ + fstring printername; + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + ipp_attribute_t *attr = NULL; /* Current attribute */ + cups_lang_t *language = NULL; /* Default language */ + char uri[HTTP_MAX_URI]; /* printer-uri attribute */ + int qcount = 0, /* Number of active queue entries */ + qalloc = 0; /* Number of queue entries allocated */ + print_queue_struct *queue = NULL, /* 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" + }; + + *q = NULL; + + /* HACK ALERT!!! The problem with support the 'printer name' + option is that we key the tdb off the sharename. So we will + overload the lpq_command string to pass in the printername + (which is basically what we do for non-cups printers ... using + the lpq_command to get the queue listing). */ + + fstrcpy( printername, lpq_command ); + + DEBUG(5,("cups_queue_get(%s, %p, %p)\n", printername, q, status)); + + /* + * Make sure we don't ask for passwords... + */ + + cupsSetPasswordCB(cups_passwd_cb); + + /* + * Try to connect to the server... + */ + + if ((http = cups_connect()) == NULL) { + goto out; + } + + /* + * Generate the printer URI... + */ + + slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", printername); + + /* + * 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()))); + goto out; + } + + 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))); + goto out; + } + + /* + * 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; + + queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc); + + if (queue == NULL) { + DEBUG(0,("cups_queue_get: Not enough memory!")); + qcount = 0; + goto out; + } + } + + 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); + response = NULL; + + /* + * 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; + + 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, + ippErrorString(cupsLastError()))); + *q = queue; + goto out; + } + + if (response->request.status.status_code >= IPP_OK_CONFLICT) { + DEBUG(0,("Unable to get printer status for %s - %s\n", printername, + ippErrorString(response->request.status.status_code))); + *q = queue; + goto out; + } + + /* + * 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); + + /* + * Return the job queue... + */ + + *q = queue; + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return qcount; +} + + +/* + * 'cups_queue_pause()' - Pause a print queue. + */ + +static int cups_queue_pause(int snum) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* 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 = cups_connect()) == NULL) { + goto out; + } + + /* + * 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... + */ + + 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; + } + } else { + DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum), + ippErrorString(cupsLastError()))); + } + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + + +/* + * 'cups_queue_resume()' - Restart a print queue. + */ + +static int cups_queue_resume(int snum) +{ + int ret = 1; /* Return value */ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + cups_lang_t *language = NULL; /* 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 = cups_connect()) == NULL) { + goto out; + } + + /* + * 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... + */ + + 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; + } + } else { + DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum), + ippErrorString(cupsLastError()))); + } + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + +/******************************************************************* + * CUPS printing interface definitions... + ******************************************************************/ + +struct printif cups_printif = +{ + PRINT_CUPS, + cups_queue_get, + cups_queue_pause, + cups_queue_resume, + cups_job_delete, + cups_job_pause, + cups_job_resume, + cups_job_submit, +}; + +bool cups_pull_comment_location(NT_PRINTER_INFO_LEVEL_2 *printer) +{ + http_t *http = NULL; /* HTTP connection to server */ + ipp_t *request = NULL, /* IPP Request */ + *response = NULL; /* IPP Response */ + ipp_attribute_t *attr; /* Current attribute */ + cups_lang_t *language = NULL; /* Default language */ + char *name, /* printer-name attribute */ + *info, /* printer-info attribute */ + *location; /* printer-location attribute */ + char uri[HTTP_MAX_URI]; + static const char *requested[] =/* Requested attributes */ + { + "printer-name", + "printer-info", + "printer-location" + }; + bool ret = False; + + DEBUG(5, ("pulling %s location\n", printer->sharename)); + + /* + * Make sure we don't ask for passwords... + */ + + cupsSetPasswordCB(cups_passwd_cb); + + /* + * Try to connect to the server... + */ + + if ((http = cups_connect()) == NULL) { + goto out; + } + + 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); + + slprintf(uri, sizeof(uri) - 1, "ipp://%s/printers/%s", + lp_cups_server(), printer->sharename); + + ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, + "printer-uri", NULL, uri); + + 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 attributes - %s\n", + ippErrorString(cupsLastError()))); + goto out; + } + + 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; + info = NULL; + location = NULL; + + while ( attr && (attr->group_tag == IPP_TAG_PRINTER) ) { + /* Grab the comment if we don't have one */ + if ( (strcmp(attr->name, "printer-info") == 0) + && (attr->value_tag == IPP_TAG_TEXT) + && !strlen(printer->comment) ) + { + DEBUG(5,("cups_pull_comment_location: Using cups comment: %s\n", + attr->values[0].string.text)); + strlcpy(printer->comment, + attr->values[0].string.text, + sizeof(printer->comment)); + } + + /* Grab the location if we don't have one */ + if ( (strcmp(attr->name, "printer-location") == 0) + && (attr->value_tag == IPP_TAG_TEXT) + && !strlen(printer->location) ) + { + DEBUG(5,("cups_pull_comment_location: Using cups location: %s\n", + attr->values[0].string.text)); + fstrcpy(printer->location,attr->values[0].string.text); + } + + attr = attr->next; + } + + /* + * See if we have everything needed... + */ + + if (name == NULL) + break; + + } + + ret = True; + + out: + if (response) + ippDelete(response); + + if (language) + cupsLangFree(language); + + if (http) + httpClose(http); + + return ret; +} + +#else + /* this keeps fussy compilers happy */ + void print_cups_dummy(void); + void print_cups_dummy(void) {} +#endif /* HAVE_CUPS */ |