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-rw-r--r--procfs/main.c315
1 files changed, 0 insertions, 315 deletions
diff --git a/procfs/main.c b/procfs/main.c
deleted file mode 100644
index 54e96823..00000000
--- a/procfs/main.c
+++ /dev/null
@@ -1,315 +0,0 @@
-/* Hurd /proc filesystem, main program.
- Copyright (C) 2010 Free Software Foundation, Inc.
-
- This file is part of the GNU Hurd.
-
- The GNU Hurd 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.
-
- The GNU Hurd 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 <mach.h>
-#include <hurd.h>
-#include <unistd.h>
-#include <error.h>
-#include <argp.h>
-#include <argz.h>
-#include <hurd/netfs.h>
-#include <ps.h>
-#include "procfs.h"
-#include "proclist.h"
-#include "rootdir.h"
-#include "dircat.h"
-#include "main.h"
-
-/* Command-line options */
-int opt_clk_tck;
-mode_t opt_stat_mode;
-pid_t opt_fake_self;
-pid_t opt_kernel_pid;
-uid_t opt_anon_owner;
-
-/* Default values */
-#define OPT_CLK_TCK sysconf(_SC_CLK_TCK)
-#define OPT_STAT_MODE 0400
-#define OPT_FAKE_SELF -1
-#define OPT_KERNEL_PID 2
-#define OPT_ANON_OWNER 0
-
-#define NODEV_KEY -1 /* <= 0, so no short option. */
-#define NOEXEC_KEY -2 /* Likewise. */
-#define NOSUID_KEY -3 /* Likewise. */
-
-static error_t
-argp_parser (int key, char *arg, struct argp_state *state)
-{
- struct passwd *pw;
- char *endp;
- long int v;
-
- switch (key)
- {
- case 'h':
- v = strtol (arg, &endp, 0);
- if (*endp || ! *arg || v <= 0)
- argp_error (state, "--clk-tck: HZ should be a positive integer");
- else
- opt_clk_tck = v;
- break;
-
- case 's':
- v = strtol (arg, &endp, 8);
- if (*endp || ! *arg || (mode_t) v & ~07777)
- argp_error (state, "--stat-mode: MODE should be an octal mode");
- else
- opt_stat_mode = v;
- break;
-
- case 'S':
- if (arg)
- {
- v = strtol (arg, &endp, 0);
- if (*endp || ! *arg)
- argp_error (state, "--fake-self: PID must be an integer");
- else
- opt_fake_self = v;
- }
- else
- opt_fake_self = 1;
- break;
-
- case 'k':
- v = strtol (arg, &endp, 0);
- if (*endp || ! *arg || (signed) opt_kernel_pid < 0)
- argp_error (state, "--kernel-process: PID must be a positive integer");
- else
- opt_kernel_pid = v;
- break;
-
- case 'c':
- opt_clk_tck = 100;
- opt_stat_mode = 0444;
- opt_fake_self = 1;
- break;
-
- case 'a':
- pw = getpwnam (arg);
- if (pw)
- {
- opt_anon_owner = pw->pw_uid;
- break;
- }
-
- v = strtol (arg, &endp, 0);
- if (*endp || ! *arg || v < 0)
- argp_error (state, "--anonymous-owner: USER should be "
- "a user name or a numeric UID.");
- else
- opt_anon_owner = v;
- break;
-
- case NODEV_KEY:
- /* Ignored for compatibility with Linux' procfs. */
- ;;
-
- case NOEXEC_KEY:
- /* Ignored for compatibility with Linux' procfs. */
- ;;
-
- case NOSUID_KEY:
- /* Ignored for compatibility with Linux' procfs. */
- ;;
-
- default:
- return ARGP_ERR_UNKNOWN;
- }
-
- return 0;
-}
-
-struct argp_option common_options[] = {
- { "clk-tck", 'h', "HZ", 0,
- "Unit used for the values expressed in system clock ticks "
- "(default: sysconf(_SC_CLK_TCK))" },
- { "stat-mode", 's', "MODE", 0,
- "The [pid]/stat file publishes information which on Hurd is only "
- "available to the process owner. "
- "You can use this option to override its mode to be more permissive "
- "for compatibility purposes. "
- "(default: 0400)" },
- { "fake-self", 'S', "PID", OPTION_ARG_OPTIONAL,
- "Provide a fake \"self\" symlink to the given PID, for compatibility "
- "purposes. If PID is omitted, \"self\" will point to init. "
- "(default: no self link)" },
- { "kernel-process", 'k', "PID", 0,
- "Process identifier for the kernel, used to retreive its command "
- "line, as well as the global up and idle times. "
- "(default: 2)" },
- { "compatible", 'c', NULL, 0,
- "Try to be compatible with the Linux procps utilities. "
- "Currently equivalent to -h 100 -s 0444 -S 1." },
- { "anonymous-owner", 'a', "USER", 0,
- "Make USER the owner of files related to processes without one. "
- "Be aware that USER will be granted access to the environment and "
- "other sensitive information about the processes in question. "
- "(default: use uid 0)" },
- { "nodev", NODEV_KEY, NULL, 0,
- "Ignored for compatibility with Linux' procfs." },
- { "noexec", NOEXEC_KEY, NULL, 0,
- "Ignored for compatibility with Linux' procfs." },
- { "nosuid", NOSUID_KEY, NULL, 0,
- "Ignored for compatibility with Linux' procfs." },
- {}
-};
-
-struct argp argp = {
- .options = common_options,
- .parser = argp_parser,
- .doc = "A virtual filesystem emulating the Linux procfs.",
- .children = (struct argp_child []) {
- { &netfs_std_startup_argp, },
- {}
- },
-};
-
-static error_t
-runtime_argp_parser (int key, char *arg, struct argp_state *state)
-{
- switch (key)
- {
- case 'u':
- /* do nothing */
- break;
-
- default:
- return ARGP_ERR_UNKNOWN;
- }
-
- return 0;
-}
-
-struct argp runtime_argp = {
- .options = (struct argp_option []) {
- { "update", 'u', NULL, 0, "remount; for procfs this does nothing" },
- {},
- },
- .parser = runtime_argp_parser,
-};
-
-struct argp netfs_runtime_argp_ = {
- .options = common_options,
- .parser = argp_parser,
- .doc = "A virtual filesystem emulating the Linux procfs.",
- .children = (struct argp_child []) {
- { &runtime_argp, },
- { &netfs_std_runtime_argp, },
- {}
- },
-};
-
-/* Used by netfs_set_options to handle runtime option parsing. */
-struct argp *netfs_runtime_argp = &argp;
-
-/* Return an argz string describing the current options. Fill *ARGZ
- with a pointer to newly malloced storage holding the list and *LEN
- to the length of that storage. */
-error_t
-netfs_append_args (char **argz, size_t *argz_len)
-{
- char buf[80];
- error_t err = 0;
-
-#define FOPT(opt, default, fmt, args...) \
- do { \
- if (! err && opt != default) \
- { \
- snprintf (buf, sizeof buf, fmt, ## args); \
- err = argz_add (argz, argz_len, buf); \
- } \
- } while (0)
-
- FOPT (opt_clk_tck, OPT_CLK_TCK,
- "--clk-tck=%d", opt_clk_tck);
-
- FOPT (opt_stat_mode, OPT_STAT_MODE,
- "--stat-mode=%o", opt_stat_mode);
-
- FOPT (opt_fake_self, OPT_FAKE_SELF,
- "--fake-self=%d", opt_fake_self);
-
- FOPT (opt_anon_owner, OPT_ANON_OWNER,
- "--anonymous-owner=%d", opt_anon_owner);
-
- FOPT (opt_kernel_pid, OPT_KERNEL_PID,
- "--kernel-process=%d", opt_kernel_pid);
-
-#undef FOPT
-
- if (! err)
- err = netfs_append_std_options (argz, argz_len);
-
- return err;
-}
-
-error_t
-root_make_node (struct ps_context *pc, struct node **np)
-{
- struct node *root_dirs[] = {
- proclist_make_node (pc),
- rootdir_make_node (pc),
- };
-
- *np = dircat_make_node (root_dirs, sizeof root_dirs / sizeof root_dirs[0]);
- if (! *np)
- return ENOMEM;
-
- /* Since this one is not created through proc_lookup(), we have to affect an
- inode number to it. */
- (*np)->nn_stat.st_ino = * (uint32_t *) "PROC";
-
- return 0;
-}
-
-int main (int argc, char **argv)
-{
- struct ps_context *pc;
- mach_port_t bootstrap;
- error_t err;
-
- opt_clk_tck = OPT_CLK_TCK;
- opt_stat_mode = OPT_STAT_MODE;
- opt_fake_self = OPT_FAKE_SELF;
- opt_kernel_pid = OPT_KERNEL_PID;
- opt_anon_owner = OPT_ANON_OWNER;
- err = argp_parse (&argp, argc, argv, 0, 0, 0);
- if (err)
- error (1, err, "Could not parse command line");
-
- err = ps_context_create (getproc (), &pc);
- if (err)
- error (1, err, "Could not create libps context");
-
- task_get_bootstrap_port (mach_task_self (), &bootstrap);
- if (bootstrap == MACH_PORT_NULL)
- error (1, 0, "Must be started as a translator");
-
- netfs_init ();
- err = root_make_node (pc, &netfs_root_node);
- if (err)
- error (1, err, "Could not create the root node");
-
- netfs_startup (bootstrap, 0);
- netfs_server_loop ();
-
- assert (0 /* netfs_server_loop returned after all */);
-}
-
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