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Previously, the early server bootstrap relied upon a specific task
layout to determine the kernels task port. Explicitly pass it from
the kernel instead.
* boot/boot.c (default_boot_script): Add '--kernel-task' parameter to
ext2fs.
(main): New bootscript variable 'kernel-task'.
* libdiskfs/boot-start.c (diskfs_kernel_task): Declaration variable.
(diskfs_start_bootstrap): If '--kernel-task' was given to us, pass it
along to startup.
* libdiskfs/opts-std-startup.c (diskfs_kernel_task): New variable.
(startup_options): Add '--kernel-task' option.
(parse_startup_opt): Handle option.
* proc/main.c (kernel_task): New variable.
(OPT_KERNEL_TASK): New macro.
(options): New variable.
(parse_opt): New function.
(main): Parse options. Use 'kernel_task' if provided.
* release/servers.boot: Add '--kernel-task' parameter to ext2fs.
* startup/startup.c (OPT_KERNEL_TASK): New macro.
(options): Add '--kernel-task' option.
(kernel_task): New variable.
(insert_ports_fnc_t): New declaration.
(run): Add argument for a function that inserts rights into the newly
created task and adds arguments to the argument vector.
(argz_task_insert_right): New function.
(proc_insert_ports): Likewise.
(parse_opt): New function.
(main): Pass the kernel's task port to proc.
(frob_kernel_process): Use the kernel's task port.
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This patch series splits /hurd/init into two programs. As a first
step, this patch renames /hurd/init to /hurd/startup. It is called
startup because it speaks the startup protocol.
* startup: Rename init to startup. Adjust accordingly.
* Makefile (prog-subdirs): Likewise.
* doc/hurd.texi (Server Bootstrap): Likewise.
* hurd/paths.h (_HURD_STARTUP): Likewise.
* libdiskfs/boot-start.c (diskfs_boot_init_program): Likewise.
* libdiskfs/opts-std-startup.c (startup_options): Likewise.
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* opts-std-startup.c (parse_startup_opt)
<_diskfs_no_inherit_dir_group>: Swap the options into the correct
order. Reported by Olaf Buddenhagen <olafbuddenhagen@gmx.net>.
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* priv.h: Add OPT_NO_INHERIT_DIR_GROUP and OPT_INHERIT_DIR_GROUP.
(_diskfs_no_inherit_dir_group): New declaration.
* node-create.c (_diskfs_no_inherit_dir_group): New variable.
(diskfs_create_node): Implement SysV group behaviour.
* opts-common.c (diskfs_common_options): Add
--no-inherit-dir-group (--nogrpdir, --sysvgroups) and
--inherit-dir-group (--grpdir, --bsdgroups).
* opts-append-std.c (diskfs_append_std_options): Add
--no-inherit-dir-group if set.
* opts-std-startup.c (parse_startup_opt): Add toggle for
_diskfs_no_inherit_dir_group.
* opts-std-runtime.c (struct parse_hook): Add noinheritdirgroup.
(set_opts): Handle H->noinheritdirgroup.
(parse_opt): Initialize H->noinheritdirgroup. Handle
OPT_NO_INHERIT_DIR_GROUP and OPT_INHERIT_DIR_GROUP.
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* opts-std-startup.c (startup_options): New compatibility
option: bootflags, a hidden alias to multiboot-command-line.
(parse_startup_opt): Bug fix.
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* opts-std-startup.c: diskfs_boot_flags -> diskfs_boot_command_line.
(OPT_BOOT_CMDLINE): Renamed from OPT_BOOTFLAGS.
(startup_options): --bootflags -> --multiboot-command-line
(parse_startup_opt): Parse it.
* diskfs.h: diskfs_boot_flags -> diskfs_boot_command_line.
(diskfs_boot_filesystem): New macro.
* init-main.c (diskfs_init_main): Use it.
* init-init.c (diskfs_init_diskfs): Likewise.
* console.c (diskfs_console_stdio): Likewise.
* boot-start.c (_diskfs_boot_privports): Likewise.
(diskfs_start_bootstrap): Split boot_command_line into words and pass
those arguments to init instead of diskfs_bootflags.
* opts-std-startup.c (_diskfs_boot_pause): New variable.
(OPT_BOOT_PAUSE): New macro.
(startup_options): Add --boot-debug-pause.
(parse_startup_opt): Parse it.
* boot-start.c (diskfs_boot_init_program): New variable.
* diskfs.h: Declare it.
* boot-start.c (default_init): Variable removed.
(diskfs_start_bootstrap): Use diskfs_boot_init_program instead
of default_init or prompting under -i.
* opts-std-startup.c (OPT_BOOT_INIT_PROGRAM): New macro.
(startup_options): Add --boot-init-program.
(parse_startup_opt): Parse it.
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* opts-std-startup.c (TOGGLE): Fix `off' case.
Reported by Kalle Olavi Niemitalo <tosi@ees2.oulu.fi>.
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* node-times.c (diskfs_set_node_times): If _diskfs_noatime is set and
neither NP->dn_set_mtime nor NP->dn_set_ctime is set, clear
NP->dn_set_atime. Short-circuit return if none of dn_set_?time set.
* opts-common.c (diskfs_common_options): Include "priv.h".
Add aliases --ro/--rw for -r/-w. Add alias --nosuid for --no-suid,
--noexec for --no-exec. Move --suid-ok, --exec-ok here from ...
* opts-std-runtime.c (std_runtime_options): ... here.
(struct parse_hook): New member `noatime'.
(set_opts): Use H->noatime to set _diskfs_noatime.
(parse_opt): Grok -A and OPT_ATIME to set/clear H->noatime.
(OPT_ATIME): New macro.
(OPT_SUID_OK, OPT_EXEC_OK): Moved to ...
* priv.h: ... here.
(diskfs_common_options): Add const to decl.
* opts-std-startup.c (parse_startup_opt): Grok OPT_SUID_OK,
OPT_EXEC_OK, -A, and OPT_ATIME.
* init-init.c (_diskfs_noatime): New variable.
(_diskfs_nosuid, _diskfs_noexec): Use uninitialized defns.
* opts-append-std.c (diskfs_append_std_options): Add --no-atime if
_diskfs_noatime is set.
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* opts-std-startup.c (startup_options): Move -C above "Boot options:",
give it a docstring. Docstrings for --bootflags, --boot-command.
(_diskfs_boot_command): New variable.
(startup_options, parse_startup_opt): New option --boot-command,
consumes remaining args to set _diskfs_boot_command.
* priv.h: Declare _diskfs_boot_command.
* boot-start.c (diskfs_start_bootstrap): If diskfs_exec_server_task is
null, assume we are running as the boot command and have a root with
/servers/exec.
If _diskfs_boot_command is set, start that command in place of init.
If can't lookup initname, print error msg and loop to prompt.
Put a newline before "Init name" prompt.
After starting exec server, try to set active trans on /servers/exec.
(diskfs_boot_getpriv): New function: if _hurd_host_priv
is null, use fsys_getpriv on our bootstrap port.
(parent_task): New static variable, set there with fsys_getpriv call.
(diskfs_S_fsys_init): If diskfs_exec_server_task is null, don't do
anything with it; instead register parent_task as our child
and send an fsys_init to our parent on our bootstrap port.
* console.c (diskfs_console_stdio): Call diskfs_boot_privports before
get_privileged_ports if diskfs_boot_flags is set.
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Add support for a "virtual root directory" specified at startup.
* priv.h (_diskfs_chroot_directory): Declare new variable.
* opts-std-startup.c (startup_options, parse_startup_opt): New
string-valued option -C/--directory/--virtual-root/--chroot sets
_diskfs_chroot_directory.
* init-startup.c (_diskfs_chroot_directory): New variable.
(diskfs_startup_diskfs): If that's set, look up the name and
warp us to that as a virtual root directory.
* fsys-getroot.c (diskfs_S_fsys_getroot): Initialize new peropen's
shadow_root_parent to null, and shadow_root to either null or,
if _diskfs_chroot_directory is set, to diskfs_root_node.
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Prepend "_diskfs" to uses of NOSUID & NOEXEC.
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* priv.h (nosuid, noexec): New variables.
* init-init.c (nosuid, noexec): New variables, initialized to zero.
* file-exec.c (diskfs_S_file_exec): If noexec is on, then prohibit
all execution with EACCES. If nosuid is on, then prohibit setuid
or setgid execution by silently omitting the uid substitution.
* opts-std-startup.c (parse_startup_opt): Implement --no-suid and
--no-exec.
* opts-common.c (diskfs_common_options): Add --no-suid and
--no-exec.
* opts-std-runtime.c (struct parse_hook): Add nosuid and noexec.
(parse_opt) [cases 'S', 'E', OPT_SUID_OK, OPT_EXEC_OK] Understand
--no-suid, --no-exec, --suid-ok, and --exec-ok.
(parse_opt) [case ARGP_KEY_INIT]: Initialize H->nosuid and
H->noexec.
(OPT_SUID_OK, OPT_EXEC_OK): New macros.
(std_runtime_options): Add --suid-ok and --exec-ok.
(set_opts): Set nosuid and noexec from H->nosuid and H->noexec.
* opts-common.c (diskfs_common_options): Rename --nosync to
--no-sync; leave --nosync as an alias.
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New variables.
(diskfs_store_startup_argp):
Use STORE_ARGP_CHILDREN instead of STORE_ARGP_PARENTS.
(store_argp_parents, startup_argp_children):
Variable removed.
(diskfs_startup_argp):
Use STARTUP_ARGP_CHILDREN instead of STARTUP_ARGP_PARENTS.
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Use diskfs_startup_argp, not diskfs_std_startup_argp.
(diskfs_use_mach_device, diskfs_device_arg, dev_startup_options,
dev_startup_argp_parents, diskfs_std_device_startup_argp):
Variables removed.
(diskfs_startup_argp):
Renamed from diskfs_std_startup_argp.
(parse_dev_startup_opt):
Function removed.
<hurd/store.h>:
New include.
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handled elsewhere now.
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(diskfs_std_startup_argp): Renamed from startup_argp, exported.
(diskfs_std_device_startup_argp): Renamed from dev_startup_argp, exported.
(diskfs_startup_arg, diskfs_device_startup_arg): Variable removed.
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Use ARGP_ERR_UNKNOWN instead of EINVAL.
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dev_startup_argp, startup_common_argp, startup_argp_parents, startup_argp,
diskfs_startup_argp):
Make const.
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(startup_common_argp, startup_argp_parents): New variables.
(startup_argp): Include parents.
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(std_startup_arg): Renamed from std_startp_argp, converted argp fmt.
(diskfs_standard_startup_argp): Renamed from diskfs_standard_startup_options.
(parse_startup_opt): Set DISKFS_ARGV.
(diskfs_use_mach_device, diskfs_device_arg, dev_startup_options,
dev_startup_argp_parents, dev_startup_argp, diskfs_device_startup_argp):
New variables.
(parse_dev_startup_opt): New function.
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OPT_DEVICE_MASTER_PORT): New defines.
(std_long_opts, parse_std_startup_opt): Add the --device-master-port,
--host-priv-port, --exec-server-task, and --bootflags options.
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