/
lpstat.c
2069 lines (1729 loc) · 53.6 KB
/
lpstat.c
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/*
* "lpstat" command for CUPS.
*
* Copyright © 2007-2018 by Apple Inc.
* Copyright © 1997-2006 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 void check_dest(const char *command, const char *name,
int *num_dests, cups_dest_t **dests);
static int match_list(const char *list, const char *name);
static int show_accepting(const char *printers, int num_dests,
cups_dest_t *dests);
static int show_classes(const char *dests);
static void show_default(cups_dest_t *dest);
static int show_devices(const char *printers, int num_dests,
cups_dest_t *dests);
static int show_jobs(const char *dests, const char *users, int long_status,
int ranking, const char *which);
static int show_printers(const char *printers, int num_dests,
cups_dest_t *dests, int long_status);
static void show_scheduler(void);
static void usage(void) _CUPS_NORETURN;
/*
* 'main()' - Parse options and show status information.
*/
int
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
int i, /* Looping var */
status; /* Exit status */
char *opt; /* Option pointer */
int num_dests; /* Number of user destinations */
cups_dest_t *dests; /* User destinations */
int long_status; /* Long status report? */
int ranking; /* Show job ranking? */
const char *which; /* Which jobs to show? */
char op; /* Last operation on command-line */
_cupsSetLocale(argv);
/*
* Parse command-line options...
*/
num_dests = 0;
dests = NULL;
long_status = 0;
ranking = 0;
status = 0;
which = "not-completed";
op = 0;
for (i = 1; i < argc; i ++)
{
if (!strcmp(argv[i], "--help"))
usage();
else if (argv[i][0] == '-')
{
for (opt = argv[i] + 1; *opt; opt ++)
{
switch (*opt)
{
case 'D' : /* Show description */
long_status = 1;
break;
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 'H' : /* Show server and port */
if (cupsServer()[0] == '/')
_cupsLangPuts(stdout, cupsServer());
else
_cupsLangPrintf(stdout, "%s:%d", cupsServer(), ippPort());
op = 'H';
break;
case 'P' : /* Show paper types */
op = 'P';
break;
case 'R' : /* Show ranking */
ranking = 1;
break;
case 'S' : /* Show charsets */
op = 'S';
if (!argv[i][2])
i ++;
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 'W' : /* Show which jobs? */
if (opt[1] != '\0')
{
which = opt + 1;
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
{
_cupsLangPrintf(stderr, _("%s: Error - need \"completed\", \"not-completed\", or \"all\" after \"-W\" option."), argv[0]);
usage();
}
which = argv[i];
}
if (strcmp(which, "completed") && strcmp(which, "not-completed") && strcmp(which, "all"))
{
_cupsLangPrintf(stderr, _("%s: Error - need \"completed\", \"not-completed\", or \"all\" after \"-W\" option."), argv[0]);
usage();
}
break;
case 'a' : /* Show acceptance status */
op = 'a';
if (opt[1] != '\0')
{
check_dest(argv[0], opt + 1, &num_dests, &dests);
status |= show_accepting(opt + 1, num_dests, dests);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
check_dest(argv[0], argv[i], &num_dests, &dests);
status |= show_accepting(argv[i], num_dests, dests);
}
else
{
if (num_dests <= 1)
{
cupsFreeDests(num_dests, dests);
num_dests = cupsGetDests(&dests);
if (num_dests == 0 && (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);
}
}
status |= show_accepting(NULL, num_dests, dests);
}
break;
case 'c' : /* Show classes and members */
op = 'c';
if (opt[1] != '\0')
{
check_dest(argv[0], opt + 1, &num_dests, &dests);
status |= show_classes(opt + 1);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
check_dest(argv[0], argv[i], &num_dests, &dests);
status |= show_classes(argv[i]);
}
else
status |= show_classes(NULL);
break;
case 'd' : /* Show default destination */
op = 'd';
if (num_dests != 1 || !dests[0].is_default)
{
cupsFreeDests(num_dests, dests);
dests = cupsGetNamedDest(CUPS_HTTP_DEFAULT, NULL, NULL);
num_dests = dests ? 1 : 0;
if (num_dests == 0 &&
(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);
}
}
show_default(dests);
break;
case 'e' : /* List destinations */
{
cups_dest_t *temp = NULL, *dest;
int j, num_temp = cupsGetDests(&temp);
op = 'e';
for (j = num_temp, dest = temp; j > 0; j --, dest ++)
{
if (dest->instance)
printf("%s/%s", dest->name, dest->instance);
else
fputs(dest->name, stdout);
if (long_status)
{
const char *printer_uri_supported = cupsGetOption("printer-uri-supported", dest->num_options, dest->options);
const char *printer_is_temporary = cupsGetOption("printer-is-temporary", dest->num_options, dest->options);
const char *type = "network";
if (printer_is_temporary && !strcmp(printer_is_temporary, "true"))
type = "temporary";
else if (printer_uri_supported)
type = "permanent";
printf(" %s %s %s\n", type, printer_uri_supported ? printer_uri_supported : "none", cupsGetOption("device-uri", dest->num_options, dest->options));
}
else
putchar('\n');
}
cupsFreeDests(num_temp, temp);
}
break;
case 'f' : /* Show forms */
op = 'f';
if (opt[1] != '\0')
{
opt += strlen(opt) - 1;
}
else
{
i ++;
if (i >= argc)
return (1);
}
break;
case 'h' : /* Connect to 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]);
return (1);
}
cupsSetServer(argv[i]);
}
break;
case 'l' : /* Long status or long job status */
long_status = 2;
break;
case 'o' : /* Show jobs by destination */
op = 'o';
if (opt[1])
{
check_dest(argv[0], opt + 1, &num_dests, &dests);
status |= show_jobs(opt + 1, NULL, long_status, ranking, which);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
check_dest(argv[0], argv[i], &num_dests, &dests);
status |= show_jobs(argv[i], NULL, long_status, ranking, which);
}
else
status |= show_jobs(NULL, NULL, long_status, ranking, which);
break;
case 'p' : /* Show printers */
op = 'p';
if (opt[1] != '\0')
{
check_dest(argv[0], opt + 1, &num_dests, &dests);
status |= show_printers(opt + 1, num_dests, dests,
long_status);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
check_dest(argv[0], argv[i], &num_dests, &dests);
status |= show_printers(argv[i], num_dests, dests, long_status);
}
else
{
if (num_dests <= 1)
{
cupsFreeDests(num_dests, dests);
num_dests = cupsGetDests(&dests);
if (num_dests == 0 &&
(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);
}
}
status |= show_printers(NULL, num_dests, dests, long_status);
}
break;
case 'r' : /* Show scheduler status */
op = 'r';
show_scheduler();
break;
case 's' : /* Show summary */
op = 's';
if (num_dests <= 1)
{
cupsFreeDests(num_dests, dests);
num_dests = cupsGetDests(&dests);
if (num_dests == 0 &&
(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);
}
}
show_default(cupsGetDest(NULL, NULL, num_dests, dests));
status |= show_classes(NULL);
status |= show_devices(NULL, num_dests, dests);
break;
case 't' : /* Show all info */
op = 't';
if (num_dests <= 1)
{
cupsFreeDests(num_dests, dests);
num_dests = cupsGetDests(&dests);
if (num_dests == 0 &&
(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);
}
}
show_scheduler();
show_default(cupsGetDest(NULL, NULL, num_dests, dests));
status |= show_classes(NULL);
status |= show_devices(NULL, num_dests, dests);
status |= show_accepting(NULL, num_dests, dests);
status |= show_printers(NULL, num_dests, dests, long_status);
status |= show_jobs(NULL, NULL, long_status, ranking, which);
break;
case 'u' : /* Show jobs by user */
op = 'u';
if (opt[1] != '\0')
{
status |= show_jobs(NULL, opt + 1, long_status, ranking, which);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
status |= show_jobs(NULL, argv[i], long_status, ranking, which);
}
else
status |= show_jobs(NULL, NULL, long_status, ranking, which);
break;
case 'v' : /* Show printer devices */
op = 'v';
if (opt[1] != '\0')
{
check_dest(argv[0], opt + 1, &num_dests, &dests);
status |= show_devices(opt + 1, num_dests, dests);
opt += strlen(opt) - 1;
}
else if ((i + 1) < argc && argv[i + 1][0] != '-')
{
i ++;
check_dest(argv[0], argv[i], &num_dests, &dests);
status |= show_devices(argv[i], num_dests, dests);
}
else
{
if (num_dests <= 1)
{
cupsFreeDests(num_dests, dests);
num_dests = cupsGetDests(&dests);
if (num_dests == 0 &&
(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);
}
}
status |= show_devices(NULL, num_dests, dests);
}
break;
default :
_cupsLangPrintf(stderr, _("%s: Error - unknown option \"%c\"."), argv[0], argv[i][1]);
usage();
}
}
}
else
{
status |= show_jobs(argv[i], NULL, long_status, ranking, which);
op = 'o';
}
}
if (!op)
status |= show_jobs(NULL, cupsUser(), long_status, ranking, which);
return (status);
}
/*
* 'check_dest()' - Verify that the named destination(s) exists.
*/
static void
check_dest(const char *command, /* I - Command name */
const char *name, /* I - List of printer/class names */
int *num_dests, /* IO - Number of destinations */
cups_dest_t **dests) /* IO - Destinations */
{
const char *dptr; /* Pointer into name */
char *pptr, /* Pointer into printer */
printer[1024]; /* Current printer/class name */
/*
* Load the destination list as necessary...
*/
if (*num_dests <= 1)
{
if (*num_dests)
cupsFreeDests(*num_dests, *dests);
if (strchr(name, ','))
*num_dests = cupsGetDests(dests);
else
{
strlcpy(printer, name, sizeof(printer));
if ((pptr = strchr(printer, '/')) != NULL)
*pptr++ = '\0';
if ((*dests = cupsGetNamedDest(CUPS_HTTP_DEFAULT, printer, pptr)) == NULL)
{
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);
else
_cupsLangPrintf(stderr,
_("%s: Invalid destination name in list \"%s\"."),
command, name);
exit(1);
}
else
{
*num_dests = 1;
return;
}
}
}
/*
* Scan the name string for printer/class name(s)...
*/
for (dptr = name; *dptr;)
{
/*
* Skip leading whitespace and commas...
*/
while (isspace(*dptr & 255) || *dptr == ',')
dptr ++;
if (!*dptr)
break;
/*
* Extract a single destination name from the name string...
*/
for (pptr = printer; !isspace(*dptr & 255) && *dptr != ',' && *dptr;)
{
if ((size_t)(pptr - printer) < (sizeof(printer) - 1))
*pptr++ = *dptr++;
else
{
_cupsLangPrintf(stderr,
_("%s: Invalid destination name in list \"%s\"."),
command, name);
exit(1);
}
}
*pptr = '\0';
/*
* Check the destination...
*/
if (!cupsGetDest(printer, NULL, *num_dests, *dests))
{
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);
else
_cupsLangPrintf(stderr,
_("%s: Unknown destination \"%s\"."), command, printer);
exit(1);
}
}
}
/*
* 'match_list()' - Match a name from a list of comma or space-separated names.
*/
static int /* O - 1 on match, 0 on no match */
match_list(const char *list, /* I - List of names */
const char *name) /* I - Name to find */
{
const char *nameptr; /* Pointer into name */
/*
* An empty list always matches...
*/
if (!list || !*list)
return (1);
if (!name)
return (0);
do
{
/*
* Skip leading whitespace and commas...
*/
while (isspace(*list & 255) || *list == ',')
list ++;
if (!*list)
break;
/*
* Compare names...
*/
for (nameptr = name;
*nameptr && *list && tolower(*nameptr & 255) == tolower(*list & 255);
nameptr ++, list ++);
if (!*nameptr && (!*list || *list == ',' || isspace(*list & 255)))
return (1);
while (*list && !isspace(*list & 255) && *list != ',')
list ++;
}
while (*list);
return (0);
}
/*
* 'show_accepting()' - Show acceptance status.
*/
static int /* O - 0 on success, 1 on fail */
show_accepting(const char *printers, /* I - Destinations */
int num_dests, /* I - Number of user-defined dests */
cups_dest_t *dests) /* I - User-defined destinations */
{
int i; /* Looping var */
ipp_t *request, /* IPP Request */
*response; /* IPP Response */
ipp_attribute_t *attr; /* Current attribute */
const char *printer, /* Printer name */
*message; /* Printer device URI */
int accepting; /* Accepting requests? */
time_t ptime; /* Printer state time */
char printer_state_time[255];/* Printer state time */
static const char *pattrs[] = /* Attributes we need for printers... */
{
"printer-name",
"printer-state-change-time",
"printer-state-message",
"printer-is-accepting-jobs"
};
if (printers != NULL && !strcmp(printers, "all"))
printers = NULL;
/*
* Build a CUPS_GET_PRINTERS request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* requested-attributes
* requesting-user-name
*/
request = ippNewRequest(CUPS_GET_PRINTERS);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
NULL, pattrs);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
NULL, cupsUser());
/*
* Do the request and get back a response...
*/
response = cupsDoRequest(CUPS_HTTP_DEFAULT, request, "/");
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."),
"lpstat");
ippDelete(response);
return (1);
}
else if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
{
_cupsLangPrintf(stderr, "lpstat: %s", cupsLastErrorString());
ippDelete(response);
return (1);
}
if (response)
{
/*
* Loop through the printers returned in the list and display
* their devices...
*/
for (attr = response->attrs; attr != NULL; attr = attr->next)
{
/*
* 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...
*/
printer = NULL;
message = NULL;
accepting = 1;
ptime = 0;
while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
{
if (!strcmp(attr->name, "printer-name") &&
attr->value_tag == IPP_TAG_NAME)
printer = attr->values[0].string.text;
else if (!strcmp(attr->name, "printer-state-change-time") &&
attr->value_tag == IPP_TAG_INTEGER)
ptime = (time_t)attr->values[0].integer;
else if (!strcmp(attr->name, "printer-state-message") &&
attr->value_tag == IPP_TAG_TEXT)
message = attr->values[0].string.text;
else if (!strcmp(attr->name, "printer-is-accepting-jobs") &&
attr->value_tag == IPP_TAG_BOOLEAN)
accepting = attr->values[0].boolean;
attr = attr->next;
}
/*
* See if we have everything needed...
*/
if (printer == NULL)
{
if (attr == NULL)
break;
else
continue;
}
/*
* Display the printer entry if needed...
*/
if (match_list(printers, printer))
{
_cupsStrDate(printer_state_time, sizeof(printer_state_time), ptime);
if (accepting)
_cupsLangPrintf(stdout, _("%s accepting requests since %s"),
printer, printer_state_time);
else
{
_cupsLangPrintf(stdout, _("%s not accepting requests since %s -"),
printer, printer_state_time);
_cupsLangPrintf(stdout, _("\t%s"),
(message && *message) ?
message : "reason unknown");
}
for (i = 0; i < num_dests; i ++)
if (!_cups_strcasecmp(dests[i].name, printer) && dests[i].instance)
{
if (accepting)
_cupsLangPrintf(stdout, _("%s/%s accepting requests since %s"),
printer, dests[i].instance, printer_state_time);
else
{
_cupsLangPrintf(stdout,
_("%s/%s not accepting requests since %s -"),
printer, dests[i].instance, printer_state_time);
_cupsLangPrintf(stdout, _("\t%s"),
(message && *message) ?
message : "reason unknown");
}
}
}
if (attr == NULL)
break;
}
ippDelete(response);
}
return (0);
}
/*
* 'show_classes()' - Show printer classes.
*/
static int /* O - 0 on success, 1 on fail */
show_classes(const char *dests) /* I - Destinations */
{
int i; /* Looping var */
ipp_t *request, /* IPP Request */
*response, /* IPP Response */
*response2; /* IPP response from remote server */
http_t *http2; /* Remote server */
ipp_attribute_t *attr; /* Current attribute */
const char *printer, /* Printer class name */
*printer_uri; /* Printer class URI */
ipp_attribute_t *members; /* Printer members */
char method[HTTP_MAX_URI], /* Request method */
username[HTTP_MAX_URI], /* Username:password */
server[HTTP_MAX_URI], /* Server name */
resource[HTTP_MAX_URI]; /* Resource name */
int port; /* Port number */
static const char *cattrs[] = /* Attributes we need for classes... */
{
"printer-name",
"printer-uri-supported",
"member-names"
};
if (dests != NULL && !strcmp(dests, "all"))
dests = NULL;
/*
* Build a CUPS_GET_CLASSES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* requested-attributes
* requesting-user-name
*/
request = ippNewRequest(CUPS_GET_CLASSES);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", sizeof(cattrs) / sizeof(cattrs[0]),
NULL, cattrs);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
NULL, cupsUser());
/*
* Do the request and get back a response...
*/
response = cupsDoRequest(CUPS_HTTP_DEFAULT, request, "/");
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."),
"lpstat");
ippDelete(response);
return (1);
}
else if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
{
_cupsLangPrintf(stderr, "lpstat: %s", cupsLastErrorString());
ippDelete(response);
return (1);
}
if (response)
{
if (response->request.status.status_code > IPP_OK_CONFLICT)
{
_cupsLangPrintf(stderr, "lpstat: %s", cupsLastErrorString());
ippDelete(response);
return (1);
}
/*
* Loop through the printers returned in the list and display
* their devices...
*/
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_PRINTER)
attr = attr->next;
if (attr == NULL)
break;
/*
* Pull the needed attributes from this job...
*/
printer = NULL;
printer_uri = NULL;
members = NULL;
do
{
if (!strcmp(attr->name, "printer-name") &&
attr->value_tag == IPP_TAG_NAME)
printer = attr->values[0].string.text;
if (!strcmp(attr->name, "printer-uri-supported") &&
attr->value_tag == IPP_TAG_URI)
printer_uri = attr->values[0].string.text;
if (!strcmp(attr->name, "member-names") &&
attr->value_tag == IPP_TAG_NAME)
members = attr;
attr = attr->next;
}
while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER);
/*
* If this is a remote class, grab the class info from the
* remote server...
*/
response2 = NULL;
if (members == NULL && printer_uri != NULL)
{
httpSeparateURI(HTTP_URI_CODING_ALL, printer_uri, method, sizeof(method),
username, sizeof(username), server, sizeof(server),
&port, resource, sizeof(resource));
if (!_cups_strcasecmp(server, cupsServer()))
http2 = CUPS_HTTP_DEFAULT;
else
http2 = httpConnectEncrypt(server, port, cupsEncryption());
/*
* Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
* following attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
* requested-attributes
*/
request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);