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/* Print information about a task's ports
Copyright (C) 1996,97,98,99, 2000 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
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, 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 <stdio.h>
#include <stddef.h>
#include <argp.h>
#include <error.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <version.h>
#include <mach.h>
#include <hurd.h>
#include <hurd/process.h>
#include <portinfo.h>
#include <portxlate.h>
const char *argp_program_version = STANDARD_HURD_VERSION (portinfo);
static const struct argp_option options[] = {
{0,0,0,0,0, 1},
{"verbose", 'v', 0, 0, "Give more detailed information"},
{"members", 'm', 0, 0, "Show members of port-sets"},
{"hex-names", 'x', 0, 0, "Show port names in hexadecimal"},
#if 0 /* XXX implement this */
{"query-process", 'q', 0, 0, "Query the process itself for the identity of"
" the ports in question -- requires the process be in a sane state"},
#endif
{"hold", '*', 0, OPTION_HIDDEN},
{0,0,0,0, "Selecting which names to show:", 2},
{"receive", 'r', 0, 0, "Show ports with receive rights"},
{"send", 's', 0, 0, "Show ports with send rights"},
{"send-once", 'o', 0, 0, "Show ports with send once rights"},
{"dead-names",'d', 0, 0, "Show dead names"},
{"port-sets", 'p', 0, 0, "Show port sets"},
{0,0,0,0, "Translating port names between tasks:", 3},
{"translate", 't', "PID", 0, "Translate port names to process PID"},
#if 0
{"show-targets", 'h', 0, 0,
"Print a header describing the target process" },
#endif
{"no-translation-errors", 'E', 0, 0,
"Don't display an error if a specified port can't be translated" },
#if 0
{"search", 'a', 0, 0, "Search all processes for the given ports"},
{"target-receive", 'R', 0, 0,
"Only show ports that translate into receive rights"},
{"target-send", 'S', 0, 0,
"Only show ports that translate into send rights"},
{"target-send-once",'O', 0, 0,
"Only show ports that translate into send-once rights"},
"Only show ports that translate into send once rights"},
#endif
{0}
};
static const char *args_doc = "PID [NAME...]";
static const char *doc =
"Show information about mach ports NAME... (default all ports) in process PID."
"\vIf no port NAMEs are given, all ports in process PID are reported (if"
" translation is used, then only those common to both processes). NAMEs"
" may be specified in hexadecimal or octal by using a 0x or 0 prefix.";
/* Return the task corresponding to the user argument ARG, exiting with an
appriate error message if we can't. */
static task_t
parse_task (char *arg)
{
error_t err;
task_t task;
char *arg_end;
pid_t pid = strtoul (arg, &arg_end, 10);
static process_t proc = MACH_PORT_NULL;
if (*arg == '\0' || *arg_end != '\0')
error (10, 0, "%s: Invalid process id", arg);
if (proc == MACH_PORT_NULL)
proc = getproc ();
err = proc_pid2task (proc, pid, &task);
if (err)
error (11, err, "%s", arg);
else if (task == MACH_PORT_NULL)
error (11, 0, "%s: Process %d is dead and has no task", arg, (int) pid);
return task;
}
static volatile int hold = 0;
int
main (int argc, char **argv)
{
error_t err;
task_t task;
int search = 0;
unsigned show = 0; /* what info we print */
mach_port_type_t only = 0, target_only = 0; /* Which names to show */
task_t xlate_task = MACH_PORT_NULL;
int no_translation_errors = 0; /* inhibit complaints about bad names */
struct port_name_xlator *xlator = 0;
/* Parse our options... */
error_t parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'v': show |= PORTINFO_DETAILS; break;
case 'm': show |= PORTINFO_MEMBERS; break;
case 'x': show |= PORTINFO_HEX_NAMES; break;
case 'r': only |= MACH_PORT_TYPE_RECEIVE; break;
case 's': only |= MACH_PORT_TYPE_SEND; break;
case 'o': only |= MACH_PORT_TYPE_SEND_ONCE; break;
case 'd': only |= MACH_PORT_TYPE_DEAD_NAME; break;
case 'p': only |= MACH_PORT_TYPE_PORT_SET; break;
case 'R': target_only |= MACH_PORT_TYPE_RECEIVE; break;
case 'S': target_only |= MACH_PORT_TYPE_SEND; break;
case 'O': target_only |= MACH_PORT_TYPE_SEND_ONCE; break;
case 't': xlate_task = parse_task (arg); break;
case 'a': search = 1; break;
case 'E': no_translation_errors = 1; break;
case '*':
hold = 1;
while (hold)
sleep (1);
break;
case ARGP_KEY_NO_ARGS:
argp_usage (state);
return EINVAL;
case ARGP_KEY_ARG:
if (state->arg_num == 0)
/* The task */
{
task = parse_task (arg);
if (only == 0)
only = ~0;
if (target_only == 0)
target_only = ~0;
if (xlate_task != MACH_PORT_NULL)
{
if (search)
argp_error (state,
"Both --search and --translate specified");
err = port_name_xlator_create (task, xlate_task, &xlator);
if (err)
error (13, err, "Cannot setup task translation");
}
if (state->next == state->argc)
/* No port names specified, print all of them. */
{
if (xlator)
err = print_xlated_task_ports_info (xlator, only,
show, stdout);
else
err = print_task_ports_info (task, only, show, stdout);
if (err)
error (12, err, "%s", arg);
}
break;
}
/* A port name */
{
char *end;
mach_port_t name = strtoul (arg, &end, 0);
if (name == 0)
error (0, 0, "%s: Invalid port name", arg);
else
{
if (xlator)
{
err = print_xlated_port_info (name, 0, xlator,
show, stdout);
if (err && no_translation_errors)
break;
}
else
err = print_port_info (name, 0, task, show, stdout);
if (err)
error (0, err, "%s", arg);
}
}
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
const struct argp argp = { options, parse_opt, args_doc, doc };
/* Parse our arguments. */
argp_parse (&argp, argc, argv, 0, 0, 0);
exit (0);
}
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