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2023-12-17Update server handlers to return kern_return_error to fix ↵Flavio Cruz
-Werror=enum-int-mismatch warnings MiG expects those to return kern_return_t. Message-ID: <ZXqbbXpVqQAwd2qv@jupiter.tail36e24.ts.net>
2023-12-17Update hurd code to handle the new ABI for sending inlined port rights.Flavio Cruz
2023-12-03Revert "Update hurd code to handle the new ABI for sending inlined port rights."Samuel Thibault
This reverts commit 33c30b4ff76ca22bdedce4aa41d05736a546d86b.
2023-12-03Update hurd code to handle the new ABI for sending inlined port rights.Flavio Cruz
Message-ID: <20231124213041.952886-3-flaviocruz@gmail.com>
2023-11-06x86_64: Drop -AT386 part in uname machineSamuel Thibault
We don't really have plans to have anything else than "AT386" there, and other OSes do not include it, so it brings us more harm than good to include it.
2023-11-01proc: Fix missing freeSamuel Thibault
On MACH_SEND_TIMED_OUT we defer sending the message to just-created thread, we allocate a copy of the message to that end. We need to free that once the message is indeed sent.
2023-11-01proc: proc_get{pgrp,session}p{,g}ids do have dealloc flagSamuel Thibault
This was added by 7487dda5f
2023-06-21proc: Fix pointer truncation in get_string_arraySergey Bugaev
Due to little-endianness of x86, this resulted in a 64-bit pointers that pointed to the lower 4 GB of the address space being treated as a 32-bit pointer followed by NULL, which manifested as only the first program arg (the argv[0]) being visible in ps output. When a pointer pointed outside of the lower 4 GB, this resulted in both halves being treated as invalid pointers, causing proc_getprocargs () to fail with KERN_INVALID_ADDRESS, which manifested as ps displaying COMMAND for the affected process as ?. Found by placing all memory above the 4 GB limit, which made it apparent that something about fetching process command lines is seriously broken. Before: USER PID PPID TTY TIME COMMAND 0 1 1 - 0:00.00 /hurd/init 0 2 1 - 0:00.05 /hurd/startup 0 3 2 ? 0:02.80 ? 0 4 2 ? 0:00.00 /hurd/proc 0 5 2 - 0:00.08 ? 0 6 5 - 0:00.02 ? 0 7 2 - 0:00.00 /hurd/auth 0 9 1 - 0:00.01 /hurd/term 0 13 1 - 0:00.11 /hurd/mach-defpager 0 15 1 - 0:00.00 /bin/bash 0 16 5 - 0:00.00 /hurd/pflocal 0 18 15 - 0:00.00 /bin/sh 0 20 18 - 0:00.00 ps-hurd After: USER PID PPID TTY TIME COMMAND 0 1 1 - 0:00.01 /hurd/init -a 0 2 1 - 0:00.03 /hurd/startup --kernel-task=1 console=com0 0 3 2 ? 0:01.36 gnumach --kernel-task=1 console=com0 0 4 2 ? 0:00.00 /hurd/proc --kernel-task=1 0 5 2 - 0:00.06 ext2fs --multiboot-command-line=console=com0 0 6 5 - 0:00.00 /hurd/exec --device-master-port=1 0 7 2 - 0:00.02 /hurd/auth 0 9 1 - 0:00.00 /hurd/term /dev/console device console 0 13 1 - 0:00.09 /hurd/mach-defpager 0 15 1 - 0:00.00 /bin/bash /usr/libexec/runsystem.hurd 0 16 5 - 0:00.00 /hurd/pflocal 0 18 15 - 0:00.00 /bin/sh 0 19 18 - 0:00.01 ps-hurd -ef Message-Id: <20230621105638.1045306-1-bugaevc@gmail.com>
2023-05-15Cosmetic tweaksSergey Bugaev
Message-Id: <20230515073600.1350072-4-bugaevc@gmail.com>
2023-05-15proc: Don't buffer Mach console outputSergey Bugaev
Normally glibc does not buffer tty output, but a devstream backed by the Mach console device cannot be isatty'ed. So we need to ask glibc explicitly to not buffer it. This is what the startup and mach-defpager do already. Message-Id: <20230515073600.1350072-3-bugaevc@gmail.com>
2023-05-11Only use host_get_kernel_version and default_pager_paging_storage_new in x86_64.Flavio Cruz
Also fixed the implementation of default_pager_paging_storage_new in proxy def pager to call into default_pager_paging_storage_new. We can fast track the simplification of the RPC ABI for x86_64 if we don't have MACH_MSG_TYPE_STRING used in RPCs which forces msgt_size to use more than 8 bits. Message-Id: <ZFsk/W+slpAZyTG1@jupiter.tail36e24.ts.net>
2023-05-10proc: Fix use-after-reallocSergey Bugaev
Message-Id: <20230508213136.608575-19-bugaevc@gmail.com>
2023-05-10proc: Port to x86_64Sergey Bugaev
Message-Id: <20230508213136.608575-18-bugaevc@gmail.com>
2023-05-06proc: Add CPU_TYPE_X86_64 supportSamuel Thibault
2023-05-04Use designated initializers when building mach_msg_type_tFlavio Cruz
Message-Id: <ZFLcIs0iwiC9kQDf@jupiter.tail36e24.ts.net>
2023-05-02Use uintptr_t for message payloads.Flavio Cruz
A follow up to 92fad38a043b75ed6b435b3efa574ede91dbe9ee in gnumach. Message-Id: <ZFCNasf9bJ9qj+CG@jupiter.tail36e24.ts.net>
2023-04-08Use long_integer_t for exception_raise RPCsFlavio Cruz
Also update the crash_dump_task RPC since it gets the subcode from the signal details in Glibc. This should fix the existing build error. Message-Id: <ZDDrnHFHtiLIS53W@jupiter.tail36e24.ts.net>
2023-04-03Use the new host_get_kernel_version introduced recently.Flavio Cruz
https://git.savannah.gnu.org/cgit/hurd/gnumach.git/commit/?id=5447f965f1e109f7ac9aeb91c0e3906969a4adb8 provides more context. Message-Id: <ZBFkAXCYcj27UXRo@mars.tail36e24.ts.net>
2023-04-03Modernize code by removing use of old style definitions.Flavio Cruz
Also add -Werror=old-style-definition to enforce new code. Message-Id: <ZBZ+8xf7GHy2RT/h@jupiter.tail36e24.ts.net>
2022-12-24proc: Do not reference a task port when allocation failedSamuel Thibault
2022-12-21S_mach_notify_new_task: Ignore notification of dead tasksSamuel Thibault
In case the new task notification gets late, the task may have terminated already, and thus a dead name gets provided in the notification. We should just ignore this, otherwise the task hashing would get collisions on all such dead tasks ports.
2022-12-21proc: Do not deallocate input ports on errorSamuel Thibault
The error handling code would already deallocate them, thus leading to duplicate deallocation, spurious destroy, and later on port mixup.
2022-12-21proc: Add task to hashes before requesting death notifySamuel Thibault
In case the task dies very early and thus the notification arrives very early.
2022-08-10Rename proc_complete_reauthentication to proc_reauthenticate_completeSamuel Thibault
For coherency with the existing RPCs
2022-08-10Make proc_reauthenticate () recreate proc portSergey Bugaev
And add proc_complete_reauthentication ()
2022-08-10Remove the concept of process ownerSergey Bugaev
Now that it's completely unused. procinfo.owner is now simply set to the first UID that a process has. proc_setowner () is kept for compatibility, but now does nothing. The clients still try to call it, though, for compatibility with older proc server versions.
2022-08-10proc: Add proc_reauthenticate_reassign ()Sergey Bugaev
This is a new RPC to atomically change the UIDs of a process, recreate its process port, and reassign a different task to it.
2022-08-10proc: Fix an error pathSergey Bugaev
If the allocation failed, we want to leave the p_ids pointer as it was, and properly propagate the error code.
2022-08-10proc: Use UIDs for evaluating permissionsSergey Bugaev
The previous scheme was to check that PROC1 has the UID that is designated as PROC2's "owner". This is extremely problematic for several reasons, including: * The UIDs and the owner of a process are set separately and can easily get out of sync. While S_proc_setowner () checks that the new owner is among the UIDs that the process has, this invariant is violated after the process is given a new set of UIDs with S_proc_reauthenticate (). In particular, this happens during execution of a SUID binary: the process is reauthenticated to a different set of UIDs first, and its owner is udpated later, if at all. * In the Hurd, a process can have multiple UIDs. Having to designate just one of them as the owner means the other UIDs get ignored for the purpose of permission checking. One particularly problematic case is a SUID process that temporarily lowers its effective UID: glibc sets the first effective UID as the process owner, giving just about anyone access to the task. Resolve this by ignoring the owner for the purpose of permission checking, and relying solely on the authenticated UIDs. Roughly speaking, PROC1 can get complete access to PROC2 if the UIDs PROC1 has form a superset of the UIDs that PROC2 has; in other words, the access is only allowed when it would not result in PROC1 getting access to UIDs it doesn't have already. Of course, root is still allowed to access any process. In particular, this means that: * a process can access another process if they have the same auth; * a process that has "more auth" can access one that has "less auth", but not the other way around; * a SUID-root process that has lowered its effective UIDs can only be accessed by root. Another important point here is that the UIDs in question are both effective and available UIDs that a process has. Normally, available UIDs are ignored for the purpose of permission checking (and that is their whole point). However, POSIX description of kill(2) has the following clause: > For a process to have permission to send a signal to a process designated by > pid, unless the sending process has appropriate privileges, the real or > effective user ID of the sending process shall match the real or saved > set-user-ID of the receiving process. Which I read as saying that the real (i.e. available) UID(s) of PROC1 should be used for evaluating whether kill(2) can succeed, not only its effective UID(s).
2022-08-10proc: Track both available and effective uidsSergey Bugaev
This is in preparation for using the UID's to evaluate permissions in a different way.
2022-08-10proc: Use notify server implementation from libportsSergey Bugaev
We can simply override proc_dead_name () to handle dead-name notifications.
2022-08-10proc: Use ports_request_dead_name_notification ()Sergey Bugaev
2022-08-10proc: Drop some mach_port_destroy () usesSergey Bugaev
mach_port_destroy () is a dangerous API that has to be used with extreme care. Namely, it destroys not one user reference, but *all* user references that a task has for a port name. Different parts of a program may all keep separate references on a port without coordinating it with each other (which is the whole idea behind reference counting). If one part of a program decides to destroy a port with mach_port_destroy () without informing others, others may still believe they hold a reference and will continue to use the name as if it still refered to the now-destroyed port right. This consitutes a port use-after-free, even if their use is also deallocating their reference. In the particular case of the proc server, this manifested itself as S_proc_reassign () destroying all user references to the task port right before the task port right is deallocated again in the dead-name notification handler.
2022-01-20proc: Fix variable typeSamuel Thibault
Reported-by: Etienne Brateau <etienne.brateau@gmail.com>
2022-01-16Make RPC input array parameters constSamuel Thibault
This follows mig's cf4bcc3f1435 ("Also add const qualifiers on server side")
2022-01-01Fix build warningsSamuel Thibault
No actual behavior change.
2020-12-29proc: Fix building with old glibcSamuel Thibault
* proc/wait.c (WNOWAIT): Define if not already defined.
2020-12-28proc: Fix WIFCONTINUEDSamuel Thibault
* proc/wait.c (S_proc_mark_cont): Set p_status to __W_CONTINUED.
2020-12-28proc: support waitid(WNOWAIT)Samuel Thibault
* proc/wait.c (S_proc_waitid): When options contains WNOWAIT, do not set p_waited or complete child death.
2020-12-27Add proc_waitidSamuel Thibault
proc_wait assumes that the caller always wants WEXITED, but waitid() does not. The new proc_waitid RPC requires the caller to specify at least one of WEXITED, WSTOPPED, or WCONTINUED. * hurd/process.defs (proc_waitid): New RPC. * hurd/process_reply.defs (proc_waitid): New RPC. * hurd/process_request.defs (proc_waitid): New RPC. * proc/proc.h (struct proc): Add p_continued field. * proc/wait.c (WCONTINUED, WEXITED): Define if not already defined. (S_proc_wait): Rename implementation to S_proc_waitid, and modify to stop assuming WEXITED. Add support for WCONTINUED. (S_proc_wait): Reimplement by just calling S_proc_waitid with an additional WEXITED. (proc_mark_stop): Clear p_continued. (proc_mark_cont): Set p_continued, clear p_waited, wake any waiting parent.
2020-12-27proc: Also send SIGCHLD on child restartSamuel Thibault
* proc/wait.c (S_proc_mark_cont): When parent has not set nostopcld, send a SIGCHLD with CLD_CONTINUED.
2020-12-27proc: send signals with POSIX sigcodesJeremie Koenig
* proc/stubs.c (send_signal): Add a sigcode argument. * proc/proc.h (send_signal): Declare the sigcode argument. * proc/pgrp.c (leave_pgrp): Specify a null sigcode. * proc/wait.c (alert_parent): Use CLD_EXITED for SIGCHLD on exit. (S_proc_mark_stop): Use CLD_STOPPED for SIGCHLD on stop.
2020-11-22proc: Fix warningSamuel Thibault
* proc/stubs.c (send_signal): Add missing warning in union inside mach_msg_header_t.
2020-11-11Remove remnants of cthreadsSamuel Thibault
* doc/hurd.texi: Index pthread.h instead of cthreads.h * libports/Makefile (SRCS): Drop stubs.c. * libports/stubs.c: Remove file. * mach-defpager/default_pager.c (default_pager): Drop disabled cthreads calls. * pfinet/kmem_cache.c: Fix comment. * proc/stubs.c: Fix comments.
2020-03-31Fix build with -fno-commonSamuel Thibault
which will be the default in gcc-10. * acpi/acpifs.h (fs, acpifs_maptime): Add extern qualifier. * boot/private.h (verbose): Likewise. * eth-multiplexer/netfs_impl.h (multiplexer_maptime): Likewise. * eth-multiplexer/vdev.h (port_bucket, vdev_portclass): Likewise. * exec/priv.h (port_bucket, execboot_portclass): Likewise. * ext2fs/ext2fs.h (sblock, sblock_dirty, block_size, log2_block_size, log2_dev_blocks_per_fs_block, log2_stat_blocks_per_fs_block, zeroblock, frag_size, frags_per_block, inodes_per_block, itb_per_group, db_per_group, desc_per_block, addr_per_block, groups_count, node_to_page_lock, generation_lock, next_generation, group_desc_image, global_pokel, modified_global_blocks, use_xattr_translator_records): Likewise. * hostmux/hostmux.h (hostmux_maptime): Likewise. * isofs/isofs.h (host_name, mounted_on, disk_image, disk_image_len, logical_block_size, sblock): Likewise. * libdiskfs/diskfs.h (diskfs_shortcut_symlink, diskfs_shortcut_chrdev, diskfs_shortcut_blkdev, diskfs_shortcut_fifo, diskfs_shortcut_ifsock, diskfs_create_symlink_hook, diskfs_read_symlink_hook): Likewise. * libnetfs/callbacks.h (_netfs_translator_callback1, _netfs_translator_callback2): Likewise. * libnetfs/priv.h (netfs_mtime): Likewise. * libpager/priv.h (_pager_class): Likewise. * libtrivfs/trivfs.h (trivfs_check_access_hook, trivfs_check_open_hook, trivfs_open_hook, trivfs_protid_create_hook, trivfs_peropen_create_hook, trivfs_protid_destroy_hook, trivfs_peropen_destroy_hook, trivfs_getroot_hook): Likewise. * lwip/lwip-hurd.h (lwip_bucket, socketport_class, addrport_class, shutdown_notify_class, lwip_protid_portclasses, lwip_cntl_portclasses, lwip_bootstrap_portclass, fsys_identity, lwipcntl, lwip_owner, lwip_group): Likewise. * lwip/port/include/netif/hurdtunif.h (tunnel_cntlclass, tunnel_class): Likewise. * nfs/nfs.h (main_udp_socket, hostname, mapped_time): Likewise. * nfsd/nfsd.h (mapped_time, authserver): Likewise. * pci-arbiter/pcifs.h (fs, pcifs_maptime): Likewise. * pci-arbiter/startup.h (pci_shutdown_notify_class, arrange_shutdown_notification): Likewise. * pfinet/pfinet.h (pfinet_bucket, addrport_class, socketport_class, fsys_identity, pfinetctl, pfinet_owner, pfinet_group): Likewise. * pflocal/sserver.h (sock_port_bucket): Likewise. * proc/proc.h (authserver, self_proc, init_proc, startup_proc, proc_bucket, proc_class, generic_port_class, exc_class, generic_port, kernel_proc, global_lock): Likewise. * term/term.h (termstate, termflags, global_lock, carrier_alert, select_alert, pty_select_alert, term_bucket, tty_cntl_class, tty_class, cttyid_class, pty_class, pty_cntl_class, termctl, ptyctl, inputq, rawq, outputq, remote_input_mode, external_processing, term_owner, term_group, term_mode, bottom): Likewise. * usermux/usermux.h (usermux_maptime): Likewise. * utils/msgids.h (msgid_argp): Likewise. * libdiskfs/priv.h (_diskfs_mtime): Remove definition. * lwip/options.h (lwip_argp): Add prototype. * mach-defpager/priv.h (partitions): Name structure. (all_partitions): Add extern qualifier. * acpi/main.c (acpifs_maptime, fs): New variables. * exec/main.c (port_bucket, execboot_portclass): Likewise. * ext2fs/ext2fs.c (sblock, sblock_dirty, block_size, log2_block_size, log2_dev_blocks_per_fs_block, log2_stat_blocks_per_fs_block, frag_size, frags_per_block, inodes_per_block, itb_per_group, db_per_group, desc_per_block, addr_per_block, groups_count, next_generation, group_desc_image, global_pokel, use_xattr_translator_records): Likewise. * isofs/main.c (host_name, mounted_on, logical_block_size, sblock): Likewise. * libpager/pager-create.c (_pager_class): Likewise. * lwip/port/netif/hurdtunif.c (tunnel_cntlclass, tunnel_class): Likewise. * mach-defpager/default_pager.c (all_partitions): Likewise. * nfs/main.c (main_udp_socket, hostname, mapped_time): Likewise. * nfsd/main.c (mapped_time, authserver): Likewise. * pci-arbiter/main.c (fs, pcifs_maptime): Likewise. * pci-arbiter/startup.c (*pci_shutdown_notify_class): Likewise. * pfinet/main.c (pfinetctl, pfinet_owner, pfinet_group, pfinet_bucket, addrport_class, socketport_class, fsys_identity): Likewise. * proc/main.c (authserver, self_proc, init_proc, startup_proc, proc_bucket, proc_class, generic_port_class, exc_class, generic_port, kernel_proc, global_lock): Likewise. * term/main.c (termstate, termflags, global_lock, carrier_alert, select_alert, pty_select_alert, term_bucket, tty_cntl_class, tty_class, cttyid_class, pty_class, pty_cntl_class, termctl, ptyctl, outputq, remote_input_mode, external_processing, term_owner, term_group, term_mode, bottom): Likewise. * usermux/usermux.c (usermux_mapped_time): Rename to usermux_maptime. * lwip/main.c: Include "options.h". (lwip_argp, netif_list): Remove declarations. (lwip_bucket, socketport_class, addrport_class, shutdown_notify_class, lwip_cntl_portclasses, lwip_bootstrap_portclass, lwip_owner, lwip_group, fsys_identity, lwipcntl): New variables. * eth-multiplexer/multiplexer.c (multiplexer_maptime): Add variable. * hostmux/hostmux.c (hostmux_mapped_time): Rename variable to hostmux_maptime * libdiskfs/extra-version.c: Rename file to... * libdiskfs/priv.c: ... new file. (diskfs_shortcut_symlink, diskfs_shortcut_chrdev, diskfs_shortcut_blkdev, diskfs_shortcut_fifo, diskfs_shortcut_ifsock, diskfs_create_symlink_hook, diskfs_read_symlink_hook): Add weak variables. * libdiskfs/Makefile (OTHERSRCS): Replace extra-version.c with priv.c. * libtrivfs/priv.c: New file. * libtrivfs/Makefile (OTHERSRCS): Add priv.c * libcons/extra-version.c: Rename file to... * libcons/priv.c: ... new file. * libcons/Makefile (SRCS): Replace extra-version.c with priv.c. Fix build with #
2019-10-31proc: do not set last_processor on thread_info() errorSamuel Thibault
* proc/info.c (S_proc_getprocinfo): Only set last_processor field when err == 0.
2019-10-31proc: fix filling last_processor member.Almudena Garcia
proc/info.c (S_proc_getprocinfo): Fix filling last_processor member.
2019-10-31proc: add support for last_processorAlmudena Garcia
Read last_processor (new member) from thread_info structures, and fill stat structure with this. * configure.ac: Check whether thread_sched_info structure includes `last_processor' member. * proc/info.c (S_proc_getprocinfo) [HAVE_STRUCT_THREAD_SCHED_INFO_LAST_PROCESSOR]: Set `last_processor' field. * procfs/process.c (process_file_gc_stat) [HAVE_STRUCT_THREAD_SCHED_INFO_LAST_PROCESSOR]: Set last processor proc field to `thsi->last_processor'. [!HAVE_STRUCT_THREAD_SCHED_INFO_LAST_PROCESSOR]: Set last processor proc field to 0.
2019-09-01Use the data_t type defined in hurd_types.h.Flavio Cruz
* boot/boot.c: Replace char* with data_t. * console-client/trans.c: Likewise. * exec/exec.c: Likewise. * ext2fs/storeinfo.c: Likewise. * fatfs/inode.c: Likewise. * fatfs/main.c: Likewise. * isofs/inode.c: Likewise. * libdiskfs/boot-start.c: Likewise. * libdiskfs/dir-readdir.c: Likewise. * libdiskfs/file-exec.c: Likewise. * libdiskfs/file-get-fs-opts.c: Likewise. * libdiskfs/file-get-trans.c: Likewise. * libdiskfs/file-getfh.c: Likewise. * libdiskfs/file-set-trans.c: Likewise. * libdiskfs/fsys-forward.c: Likewise. * libdiskfs/fsys-getfile.c: Likewise. * libdiskfs/fsys-options.c: Likewise. * libdiskfs/io-read.c: Likewise. * libdiskfs/io-write.c: Likewise. * libnetfs/dir-readdir.c: Likewise. * libnetfs/file-exec.c: Likewise. * libnetfs/file-get-fs-options.c: Likewise. * libnetfs/file-get-storage-info.c: Likewise. * libnetfs/file-get-translator.c: Likewise. * libnetfs/file-set-translator.c: Likewise. * libnetfs/fsstubs.c: Likewise. * libnetfs/fsys-get-options.c: Likewise. * libnetfs/fsys-set-options.c: Likewise. * libnetfs/fsysstubs.c: Likewise. * libnetfs/io-read.c: Likewise. * libnetfs/io-write.c: Likewise. * libtrivfs/dir-readdir.c: Likewise. * libtrivfs/file-get-fs-options.c: Likewise. * libtrivfs/file-get-storage-info.c: Likewise. * libtrivfs/file-get-trans.c: Likewise. * libtrivfs/file-getfh.c: Likewise. * libtrivfs/file-set-trans.c: Likewise. * libtrivfs/fsys-forward.c: Likewise. * libtrivfs/fsys-get-options.c: Likewise. * libtrivfs/fsys-set-options.c: Likewise. * libtrivfs/fsys-stubs.c: Likewise. * libtrivfs/io-read.c: Likewise. * libtrivfs/io-write.c: Likewise. * pfinet/io-ops.c: Likewise. * pfinet/pfinet-ops.c: Likewise. * pfinet/socket-ops.c: Likewise. * pfinet/tunnel.c: Likewise. * pflocal/io.c: Likewise. * pflocal/pf.c: Likewise. * pflocal/socket.c: Likewise. * proc/info.c: Likewise. * startup/startup.c: Likewise. * storeio/io.c: Likewise. * term/users.c: Likewise. * tmpfs/node.c: Likewise. * trans/crash.c: Likewise. * trans/fakeroot.c: Likewise. * trans/fifo.c: Likewise. * trans/firmlink.c: Likewise. * trans/hello-mt.c: Likewise. * trans/hello.c: Likewise. * trans/mtab.c: Likewise. * trans/new-fifo.c: Likewise. * trans/null.c: Likewise. * trans/proxy-defpager.c: Likewise. * trans/streamio.c: Likewise.
2018-03-05Fix warningsSamuel Thibault
* libdiskfs/boot-start.c (diskfs_start_bootstrap): Fix printf format. * libfshelp/delegate.c: Include <alloca.h> and <stdlib.h>. * libfshelp/start-translator-long.c: Include <stdlib.h>. * libshouldbeinlibc/ugids-verify-auth.c (server_verify_make_auth): Fix prototypes for password_check_group and password_check_user. * libstore/argp.c: Include <stdlib.h>. * libstore/task.c: Include <stdlib.h>. * exec/exec.c: Include <mach/vm_param.h>. * libbpf/bpf_impl.c: Include <stdlib.h>. * proc/info.c (S_proc_getloginpids): Remove local variables leader_task and leader_sub. * proc/main.c (main): Remove local variable original_argv. * boot/boot.c (task_died, S_mach_notify_new_task): Fix printf format. * exec/elfcore.c: Include <alloca.h> and <mach/vm_param.h>. * trans/crash.c: Include <hurd/msg.h>. * trans/random.c: Include <signal.h>. * utils/login.c: Include <signal.h>. * utils/id.c: Include <hurd/msg.h>. * utils/devprobe.c: Include <stdlib.h>. * utils/addauth.c: Include <hurd/msg.h>. * utils/frobauth-mod.c: Include <hurd/msg.h>. * utils/storeread.c: Include <stdlib.h>. * utils/msgport.c: Include <hurd/msg.h>. * sutils/clookup.c (file_name_lookup_carefully): Fix lookup function prototype, make head and tail const. * utils/rpcscan.c: Include <stdlib.h>. * sutils/bless.c: Include <stdlib.h>. * fstests/fstests.c: Include <stdlib.h>. * startup/startup.c (argz_task_insert_right): Fix printf format. * init/init.c: Include <stdlib.h>.
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