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cups/systemv/lp.c

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Import Upstream version 2.3.1
2022-05-13 20:08:20 +08:00
/*
* "lp" command for CUPS.
*
* Copyright © 2007-2019 by Apple Inc.
* Copyright © 1997-2007 by Easy Software Products.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include <cups/cups-private.h>
/*
* Local functions.
*/
static int restart_job(const char *command, int job_id);
static int set_job_attrs(const char *command, int job_id, int num_options, cups_option_t *options);
static void usage(void) _CUPS_NORETURN;
/*
* 'main()' - Parse options and send files for printing.
*/
int
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
int i, j; /* Looping vars */
int job_id; /* Job ID */
char *printer, /* Printer name */
*instance, /* Instance name */
*opt, /* Option pointer */
*val, /* Option value */
*title; /* Job title */
int priority; /* Job priority (1-100) */
int num_copies; /* Number of copies per file */
int num_files; /* Number of files to print */
const char *files[1000]; /* Files to print */
cups_dest_t *dest; /* Selected destination */
int num_options; /* Number of options */
cups_option_t *options; /* Options */
int end_options; /* No more options? */
int silent; /* Silent or verbose output? */
char buffer[8192]; /* Copy buffer */
#ifdef __sun
/*
* Solaris does some rather strange things to re-queue remote print
* jobs. On bootup, the "lp" command is run as "printd" to re-spool
* any remote jobs in /var/spool/print. Since CUPS doesn't need this
* nonsense, we just need to add the necessary check here to prevent
* lp from causing boot problems...
*/
if ((val = strrchr(argv[0], '/')) != NULL)
val ++;
else
val = argv[0];
if (!strcmp(val, "printd"))
return (0);
#endif /* __sun */
_cupsSetLocale(argv);
silent = 0;
printer = NULL;
dest = NULL;
num_options = 0;
options = NULL;
num_files = 0;
title = NULL;
job_id = 0;
end_options = 0;
for (i = 1; i < argc; i ++)
{
if (!strcmp(argv[i], "--help"))
usage();
else if (argv[i][0] == '-' && argv[i][1] && !end_options)
{
for (opt = argv[i] + 1; *opt; opt ++)
{
switch (*opt)
{
case 'E' : /* Encrypt */
#ifdef HAVE_SSL
cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
#else
_cupsLangPrintf(stderr, _("%s: Sorry, no encryption support."), argv[0]);
#endif /* HAVE_SSL */
break;
case 'U' : /* Username */
if (opt[1] != '\0')
{
cupsSetUser(opt + 1);
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected username after \"-U\" option."), argv[0]);
usage();
}
cupsSetUser(argv[i]);
}
break;
case 'c' : /* Copy to spool dir (always enabled) */
break;
case 'd' : /* Destination printer or class */
if (opt[1] != '\0')
{
printer = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected destination after \"-d\" option."), argv[0]);
usage();
}
printer = argv[i];
}
if ((instance = strrchr(printer, '/')) != NULL)
*instance++ = '\0';
if ((dest = cupsGetNamedDest(CUPS_HTTP_DEFAULT, printer,
instance)) != NULL)
{
for (j = 0; j < dest->num_options; j ++)
if (cupsGetOption(dest->options[j].name, num_options,
options) == NULL)
num_options = cupsAddOption(dest->options[j].name,
dest->options[j].value,
num_options, &options);
}
else if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
{
_cupsLangPrintf(stderr,
_("%s: Error - add '/version=1.1' to server "
"name."), argv[0]);
return (1);
}
break;
case 'f' : /* Form */
if (opt[1] != '\0')
{
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected form after \"-f\" option."), argv[0]);
usage();
}
}
_cupsLangPrintf(stderr, _("%s: Warning - form option ignored."), argv[0]);
break;
case 'h' : /* Destination host */
if (opt[1] != '\0')
{
cupsSetServer(opt + 1);
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected hostname after \"-h\" option."), argv[0]);
usage();
}
cupsSetServer(argv[i]);
}
break;
case 'i' : /* Change job */
if (opt[1] != '\0')
{
val = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Expected job ID after \"-i\" option."), argv[0]);
usage();
}
val = argv[i];
}
if (num_files > 0)
{
_cupsLangPrintf(stderr, _("%s: Error - cannot print files and alter jobs simultaneously."), argv[0]);
return (1);
}
if (strrchr(val, '-') != NULL)
job_id = atoi(strrchr(val, '-') + 1);
else
job_id = atoi(val);
if (job_id < 0)
{
_cupsLangPrintf(stderr, _("%s: Error - bad job ID."), argv[0]);
break;
}
break;
case 'm' : /* Send email when job is done */
#ifdef __sun
case 'p' : /* Notify on completion */
#endif /* __sun */
case 'w' : /* Write to console or email */
{
char email[1024]; /* EMail address */
snprintf(email, sizeof(email), "mailto:%s@%s", cupsUser(), httpGetHostname(NULL, buffer, sizeof(buffer)));
num_options = cupsAddOption("notify-recipient-uri", email, num_options, &options);
}
silent = 1;
break;
case 'n' : /* Number of copies */
if (opt[1] != '\0')
{
num_copies = atoi(opt + 1);
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected copies after \"-n\" option."), argv[0]);
usage();
}
num_copies = atoi(argv[i]);
}
if (num_copies < 1)
{
_cupsLangPrintf(stderr, _("%s: Error - copies must be 1 or more."), argv[0]);
return (1);
}
sprintf(buffer, "%d", num_copies);
num_options = cupsAddOption("copies", buffer, num_options,
&options);
break;
case 'o' : /* Option */
if (opt[1] != '\0')
{
num_options = cupsParseOptions(opt + 1, num_options, &options);
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected option=value after \"-o\" option."), argv[0]);
usage();
}
num_options = cupsParseOptions(argv[i], num_options, &options);
}
break;
#ifndef __sun
case 'p' : /* Queue priority */
#endif /* !__sun */
case 'q' : /* Queue priority */
if (opt[1] != '\0')
{
priority = atoi(opt + 1);
opt += strlen(opt) - 1;
}
else
{
if ((i + 1) >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected priority after \"-%c\" option."), argv[0], *opt);
usage();
}
i ++;
priority = atoi(argv[i]);
}
/*
* For 100% Solaris compatibility, need to add:
*
* priority = 99 * (39 - priority) / 39 + 1;
*
* However, to keep CUPS lp the same across all platforms
* we will break compatibility this far...
*/
if (priority < 1 || priority > 100)
{
_cupsLangPrintf(stderr, _("%s: Error - priority must be between 1 and 100."), argv[0]);
return (1);
}
sprintf(buffer, "%d", priority);
num_options = cupsAddOption("job-priority", buffer, num_options,
&options);
break;
case 's' : /* Silent */
silent = 1;
break;
case 't' : /* Title */
if (opt[1] != '\0')
{
title = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected title after \"-t\" option."), argv[0]);
usage();
}
title = argv[i];
}
break;
case 'y' : /* mode-list */
if (opt[1] != '\0')
{
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected mode list after \"-y\" option."), argv[0]);
usage();
}
}
_cupsLangPrintf(stderr, _("%s: Warning - mode option ignored."), argv[0]);
break;
case 'H' : /* Hold job */
if (opt[1] != '\0')
{
val = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected hold name after \"-H\" option."), argv[0]);
usage();
}
val = argv[i];
}
if (!strcmp(val, "hold"))
num_options = cupsAddOption("job-hold-until", "indefinite", num_options, &options);
else if (!strcmp(val, "resume") || !strcmp(val, "release"))
num_options = cupsAddOption("job-hold-until", "no-hold", num_options, &options);
else if (!strcmp(val, "immediate"))
{
num_options = cupsAddOption("job-hold-until", "no-hold", num_options, &options);
num_options = cupsAddOption("job-priority", "100", num_options, &options);
}
else if (!strcmp(val, "restart"))
{
if (job_id < 1)
{
_cupsLangPrintf(stderr, _("%s: Need job ID (\"-i jobid\") before \"-H restart\"."), argv[0]);
return (1);
}
if (restart_job(argv[0], job_id))
return (1);
}
else
num_options = cupsAddOption("job-hold-until", val, num_options, &options);
break;
case 'P' : /* Page list */
if (opt[1] != '\0')
{
val = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected page list after \"-P\" option."), argv[0]);
usage();
}
val = argv[i];
}
num_options = cupsAddOption("page-ranges", val, num_options, &options);
break;
case 'S' : /* character set */
if (opt[1] != '\0')
{
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected character set after \"-S\" option."), argv[0]);
usage();
}
}
_cupsLangPrintf(stderr, _("%s: Warning - character set option ignored."), argv[0]);
break;
case 'T' : /* Content-Type */
if (opt[1] != '\0')
{
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - expected content type after \"-T\" option."), argv[0]);
usage();
}
}
_cupsLangPrintf(stderr, _("%s: Warning - content type option ignored."), argv[0]);
break;
case '-' : /* Stop processing options */
if (opt[1] != '\0')
{
_cupsLangPrintf(stderr, _("%s: Error - unknown option \"%s\"."), argv[0], argv[i]);
usage();
}
end_options = 1;
break;
default :
_cupsLangPrintf(stderr, _("%s: Error - unknown option \"%c\"."), argv[0], *opt);
usage();
}
}
}
else if (!strcmp(argv[i], "-"))
{
if (num_files || job_id)
{
_cupsLangPrintf(stderr,
_("%s: Error - cannot print from stdin if files or a "
"job ID are provided."), argv[0]);
return (1);
}
break;
}
else if (num_files < 1000 && job_id == 0)
{
/*
* Print a file...
*/
if (access(argv[i], R_OK) != 0)
{
_cupsLangPrintf(stderr, _("%s: Error - unable to access \"%s\" - %s"), argv[0], argv[i], strerror(errno));
return (1);
}
files[num_files] = argv[i];
num_files ++;
if (title == NULL)
{
if ((title = strrchr(argv[i], '/')) != NULL)
title ++;
else
title = argv[i];
}
}
else
{
_cupsLangPrintf(stderr, _("%s: Error - too many files - \"%s\"."), argv[0], argv[i]);
}
}
/*
* See if we are altering an existing job...
*/
if (job_id)
return (set_job_attrs(argv[0], job_id, num_options, options));
/*
* See if we have any files to print; if not, print from stdin...
*/
if (printer == NULL)
{
if ((dest = cupsGetNamedDest(NULL, NULL, NULL)) != NULL)
{
printer = dest->name;
for (j = 0; j < dest->num_options; j ++)
if (cupsGetOption(dest->options[j].name, num_options, options) == NULL)
num_options = cupsAddOption(dest->options[j].name,
dest->options[j].value,
num_options, &options);
}
else if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
{
_cupsLangPrintf(stderr,
_("%s: Error - add '/version=1.1' to server "
"name."), argv[0]);
return (1);
}
}
if (printer == NULL)
{
if (!cupsGetNamedDest(NULL, NULL, NULL) && cupsLastError() == IPP_STATUS_ERROR_NOT_FOUND)
_cupsLangPrintf(stderr, _("%s: Error - %s"), argv[0], cupsLastErrorString());
else
_cupsLangPrintf(stderr, _("%s: Error - scheduler not responding."), argv[0]);
return (1);
}
if (num_files > 0)
job_id = cupsPrintFiles(printer, num_files, files, title, num_options, options);
else if ((job_id = cupsCreateJob(CUPS_HTTP_DEFAULT, printer,
title ? title : "(stdin)",
num_options, options)) > 0)
{
http_status_t status; /* Write status */
const char *format; /* Document format */
ssize_t bytes; /* Bytes read */
if (cupsGetOption("raw", num_options, options))
format = CUPS_FORMAT_RAW;
else if ((format = cupsGetOption("document-format", num_options,
options)) == NULL)
format = CUPS_FORMAT_AUTO;
status = cupsStartDocument(CUPS_HTTP_DEFAULT, printer, job_id, NULL,
format, 1);
while (status == HTTP_CONTINUE &&
(bytes = read(0, buffer, sizeof(buffer))) > 0)
status = cupsWriteRequestData(CUPS_HTTP_DEFAULT, buffer, (size_t)bytes);
if (status != HTTP_CONTINUE)
{
_cupsLangPrintf(stderr, _("%s: Error - unable to queue from stdin - %s."),
argv[0], httpStatus(status));
cupsFinishDocument(CUPS_HTTP_DEFAULT, printer);
cupsCancelJob2(CUPS_HTTP_DEFAULT, printer, job_id, 0);
return (1);
}
if (cupsFinishDocument(CUPS_HTTP_DEFAULT, printer) != IPP_OK)
{
_cupsLangPrintf(stderr, "%s: %s", argv[0], cupsLastErrorString());
cupsCancelJob2(CUPS_HTTP_DEFAULT, printer, job_id, 0);
return (1);
}
}
if (job_id < 1)
{
_cupsLangPrintf(stderr, "%s: %s", argv[0], cupsLastErrorString());
return (1);
}
else if (!silent)
_cupsLangPrintf(stdout, _("request id is %s-%d (%d file(s))"),
printer, job_id, num_files);
return (0);
}
/*
* 'restart_job()' - Restart a job.
*/
static int /* O - Exit status */
restart_job(const char *command, /* I - Command name */
int job_id) /* I - Job ID */
{
ipp_t *request; /* IPP request */
char uri[HTTP_MAX_URI]; /* URI for job */
request = ippNewRequest(IPP_RESTART_JOB);
sprintf(uri, "ipp://localhost/jobs/%d", job_id);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
"job-uri", NULL, uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, cupsUser());
ippDelete(cupsDoRequest(CUPS_HTTP_DEFAULT, request, "/jobs"));
if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
{
_cupsLangPrintf(stderr,
_("%s: Error - add '/version=1.1' to server "
"name."), command);
return (1);
}
else if (cupsLastError() > IPP_OK_CONFLICT)
{
_cupsLangPrintf(stderr, "%s: %s", command, cupsLastErrorString());
return (1);
}
return (0);
}
/*
* 'set_job_attrs()' - Set job attributes.
*/
static int /* O - Exit status */
set_job_attrs(
const char *command, /* I - Command name */
int job_id, /* I - Job ID */
int num_options, /* I - Number of options */
cups_option_t *options) /* I - Options */
{
ipp_t *request; /* IPP request */
char uri[HTTP_MAX_URI]; /* URI for job */
if (num_options == 0)
return (0);
request = ippNewRequest(IPP_SET_JOB_ATTRIBUTES);
sprintf(uri, "ipp://localhost/jobs/%d", job_id);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
"job-uri", NULL, uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, cupsUser());
cupsEncodeOptions(request, num_options, options);
ippDelete(cupsDoRequest(CUPS_HTTP_DEFAULT, request, "/jobs"));
if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
{
_cupsLangPrintf(stderr,
_("%s: Error - add '/version=1.1' to server "
"name."), command);
return (1);
}
else if (cupsLastError() > IPP_OK_CONFLICT)
{
_cupsLangPrintf(stderr, "%s: %s", command, cupsLastErrorString());
return (1);
}
return (0);
}
/*
* 'usage()' - Show program usage and exit.
*/
static void
usage(void)
{
_cupsLangPuts(stdout, _("Usage: lp [options] [--] [file(s)]\n"
" lp [options] -i id"));
_cupsLangPuts(stdout, _("Options:"));
_cupsLangPuts(stdout, _("-c Make a copy of the print file(s)"));
_cupsLangPuts(stdout, _("-d destination Specify the destination"));
_cupsLangPuts(stdout, _("-E Encrypt the connection to the server"));
_cupsLangPuts(stdout, _("-h server[:port] Connect to the named server and port"));
_cupsLangPuts(stdout, _("-H HH:MM Hold the job until the specified UTC time"));
_cupsLangPuts(stdout, _("-H hold Hold the job until released/resumed"));
_cupsLangPuts(stdout, _("-H immediate Print the job as soon as possible"));
_cupsLangPuts(stdout, _("-H restart Reprint the job"));
_cupsLangPuts(stdout, _("-H resume Resume a held job"));
_cupsLangPuts(stdout, _("-i id Specify an existing job ID to modify"));
_cupsLangPuts(stdout, _("-m Send an email notification when the job completes"));
_cupsLangPuts(stdout, _("-n num-copies Specify the number of copies to print"));
_cupsLangPuts(stdout, _("-o option[=value] Specify a printer-specific option"));
_cupsLangPuts(stdout, _("-o job-sheets=standard Print a banner page with the job"));
_cupsLangPuts(stdout, _("-o media=size Specify the media size to use"));
_cupsLangPuts(stdout, _("-o number-up=N Specify that input pages should be printed N-up (1, 2, 4, 6, 9, and 16 are supported)"));
_cupsLangPuts(stdout, _("-o orientation-requested=N\n"
" Specify portrait (3) or landscape (4) orientation"));
_cupsLangPuts(stdout, _("-o print-quality=N Specify the print quality - draft (3), normal (4), or best (5)"));
_cupsLangPuts(stdout, _("-o sides=one-sided Specify 1-sided printing"));
_cupsLangPuts(stdout, _("-o sides=two-sided-long-edge\n"
" Specify 2-sided portrait printing"));
_cupsLangPuts(stdout, _("-o sides=two-sided-short-edge\n"
" Specify 2-sided landscape printing"));
_cupsLangPuts(stdout, _("-P page-list Specify a list of pages to print"));
_cupsLangPuts(stdout, _("-q priority Specify the priority from low (1) to high (100)"));
_cupsLangPuts(stdout, _("-s Be silent"));
_cupsLangPuts(stdout, _("-t title Specify the job title"));
_cupsLangPuts(stdout, _("-U username Specify the username to use for authentication"));
exit(1);
}