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|
# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2024-03-01 16:59+0100\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ioctl_ns"
msgstr ""
#. type: TH
#: archlinux fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr ""
#. type: TH
#: archlinux fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "ioctl_ns - ioctl() operations for Linux namespaces"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr ""
#. ============================================================
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Discovering namespace relationships"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following B<ioctl>(2) operations are provided to allow discovery of "
"namespace relationships (see B<user_namespaces>(7) and "
"B<pid_namespaces>(7)). The form of the calls is:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "new_fd = ioctl(fd, request);\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In each case, I<fd> refers to a I</proc/>pidI</ns/*> file. Both operations "
"return a new file descriptor on success."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<NS_GET_USERNS> (since Linux 4.9)"
msgstr ""
#. commit bcac25a58bfc6bd79191ac5d7afb49bea96da8c9
#. commit 6786741dbf99e44fb0c0ed85a37582b8a26f1c3b
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Returns a file descriptor that refers to the owning user namespace for the "
"namespace referred to by I<fd>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<NS_GET_PARENT> (since Linux 4.9)"
msgstr ""
#. commit a7306ed8d94af729ecef8b6e37506a1c6fc14788
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Returns a file descriptor that refers to the parent namespace of the "
"namespace referred to by I<fd>. This operation is valid only for "
"hierarchical namespaces (i.e., PID and user namespaces). For user "
"namespaces, B<NS_GET_PARENT> is synonymous with B<NS_GET_USERNS>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The new file descriptor returned by these operations is opened with the "
"B<O_RDONLY> and B<O_CLOEXEC> (close-on-exec; see B<fcntl>(2)) flags."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"By applying B<fstat>(2) to the returned file descriptor, one obtains a "
"I<stat> structure whose I<st_dev> (resident device) and I<st_ino> (inode "
"number) fields together identify the owning/parent namespace. This inode "
"number can be matched with the inode number of another I</proc/>pidI</ns/"
">{I<pid>,I<user>} file to determine whether that is the owning/parent "
"namespace."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Either of these B<ioctl>(2) operations can fail with the following errors:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EPERM>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The requested namespace is outside of the caller's namespace scope. This "
"error can occur if, for example, the owning user namespace is an ancestor of "
"the caller's current user namespace. It can also occur on attempts to "
"obtain the parent of the initial user or PID namespace."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOTTY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The operation is not supported by this kernel version."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Additionally, the B<NS_GET_PARENT> operation can fail with the following "
"error:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EINVAL>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<fd> refers to a nonhierarchical namespace."
msgstr ""
#. ============================================================
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "See the EXAMPLES section for an example of the use of these operations."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Discovering the namespace type"
msgstr ""
#. commit e5ff5ce6e20ee22511398bb31fb912466cf82a36
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<NS_GET_NSTYPE> operation (available since Linux 4.11) can be used to "
"discover the type of namespace referred to by the file descriptor I<fd>:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "nstype = ioctl(fd, NS_GET_NSTYPE);\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<fd> refers to a I</proc/>pidI</ns/*> file."
msgstr ""
#. ============================================================
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The return value is one of the B<CLONE_NEW*> values that can be specified to "
"B<clone>(2) or B<unshare>(2) in order to create a namespace."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Discovering the owner of a user namespace"
msgstr ""
#. commit 015bb305b8ebe8d601a238ab70ebdc394c7a19ba
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<NS_GET_OWNER_UID> operation (available since Linux 4.11) can be used "
"to discover the owner user ID of a user namespace (i.e., the effective user "
"ID of the process that created the user namespace). The form of the call is:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"uid_t uid;\n"
"ioctl(fd, NS_GET_OWNER_UID, &uid);\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<fd> refers to a I</proc/>pidI</ns/user> file."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The owner user ID is returned in the I<uid_t> pointed to by the third "
"argument."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "This operation can fail with the following error:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<fd> does not refer to a user namespace."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ERRORS"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Any of the above B<ioctl>() operations can return the following errors:"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<fd> does not refer to a I</proc/>pidI</ns/>* file."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "STANDARDS"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The example shown below uses the B<ioctl>(2) operations described above to "
"perform simple discovery of namespace relationships. The following shell "
"sessions show various examples of the use of this program."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Trying to get the parent of the initial user namespace fails, since it has "
"no parent:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<./ns_show /proc/self/ns/user p>\n"
"The parent namespace is outside your namespace scope\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Create a process running B<sleep>(1) that resides in new user and UTS "
"namespaces, and show that the new UTS namespace is associated with the new "
"user namespace:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<unshare -Uu sleep 1000 &>\n"
"[1] 23235\n"
"$ B<./ns_show /proc/23235/ns/uts u>\n"
"Device/Inode of owning user namespace is: [0,3] / 4026532448\n"
"$ B<readlink /proc/23235/ns/user>\n"
"user:[4026532448]\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Then show that the parent of the new user namespace in the preceding example "
"is the initial user namespace:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<readlink /proc/self/ns/user>\n"
"user:[4026531837]\n"
"$ B<./ns_show /proc/23235/ns/user p>\n"
"Device/Inode of parent namespace is: [0,3] / 4026531837\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Start a shell in a new user namespace, and show that from within this shell, "
"the parent user namespace can't be discovered. Similarly, the UTS namespace "
"(which is associated with the initial user namespace) can't be discovered."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<PS1=\"sh2$ \" unshare -U bash>\n"
"sh2$ B<./ns_show /proc/self/ns/user p>\n"
"The parent namespace is outside your namespace scope\n"
"sh2$ B<./ns_show /proc/self/ns/uts u>\n"
"The owning user namespace is outside your namespace scope\n"
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Program source"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"/* ns_show.c\n"
"\\&\n"
" Licensed under the GNU General Public License v2 or later.\n"
"*/\n"
"#include E<lt>errno.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>linux/nsfs.hE<gt>\n"
"#include E<lt>stdint.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/ioctl.hE<gt>\n"
"#include E<lt>sys/stat.hE<gt>\n"
"#include E<lt>sys/sysmacros.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd, userns_fd, parent_fd;\n"
" struct stat sb;\n"
"\\&\n"
" if (argc E<lt> 2) {\n"
" fprintf(stderr, \"Usage: %s /proc/[pid]/ns/[file] [p|u]\\en\",\n"
" argv[0]);\n"
" fprintf(stderr, \"\\enDisplay the result of one or both \"\n"
" \"of NS_GET_USERNS (u) or NS_GET_PARENT (p)\\en\"\n"
" \"for the specified /proc/[pid]/ns/[file]. If neither \"\n"
" \"\\[aq]p\\[aq] nor \\[aq]u\\[aq] is specified,\\en\"\n"
" \"NS_GET_USERNS is the default.\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Obtain a file descriptor for the \\[aq]ns\\[aq] file specified\n"
" in argv[1]. */\n"
"\\&\n"
" fd = open(argv[1], O_RDONLY);\n"
" if (fd == -1) {\n"
" perror(\"open\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Obtain a file descriptor for the owning user namespace and\n"
" then obtain and display the inode number of that namespace. */\n"
"\\&\n"
" if (argc E<lt> 3 || strchr(argv[2], \\[aq]u\\[aq])) {\n"
" userns_fd = ioctl(fd, NS_GET_USERNS);\n"
"\\&\n"
" if (userns_fd == -1) {\n"
" if (errno == EPERM)\n"
" printf(\"The owning user namespace is outside \"\n"
" \"your namespace scope\\en\");\n"
" else\n"
" perror(\"ioctl-NS_GET_USERNS\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" if (fstat(userns_fd, &sb) == -1) {\n"
" perror(\"fstat-userns\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
" printf(\"Device/Inode of owning user namespace is: \"\n"
" \"[%x,%x] / %ju\\en\",\n"
" major(sb.st_dev),\n"
" minor(sb.st_dev),\n"
" (uintmax_t) sb.st_ino);\n"
"\\&\n"
" close(userns_fd);\n"
" }\n"
"\\&\n"
" /* Obtain a file descriptor for the parent namespace and\n"
" then obtain and display the inode number of that namespace. */\n"
"\\&\n"
" if (argc E<gt> 2 && strchr(argv[2], \\[aq]p\\[aq])) {\n"
" parent_fd = ioctl(fd, NS_GET_PARENT);\n"
"\\&\n"
" if (parent_fd == -1) {\n"
" if (errno == EINVAL)\n"
" printf(\"Can\\[aq] get parent namespace of a \"\n"
" \"nonhierarchical namespace\\en\");\n"
" else if (errno == EPERM)\n"
" printf(\"The parent namespace is outside \"\n"
" \"your namespace scope\\en\");\n"
" else\n"
" perror(\"ioctl-NS_GET_PARENT\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" if (fstat(parent_fd, &sb) == -1) {\n"
" perror(\"fstat-parentns\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
" printf(\"Device/Inode of parent namespace is: [%x,%x] / %ju\\en\",\n"
" major(sb.st_dev),\n"
" minor(sb.st_dev),\n"
" (uintmax_t) sb.st_ino);\n"
"\\&\n"
" close(parent_fd);\n"
" }\n"
"\\&\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. SRC END
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SEE ALSO"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "B<fstat>(2), B<ioctl>(2), B<proc>(5), B<namespaces>(7)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2023-02-05"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid "I<fd> does not refer to a I</proc/[pid]/ns/*> file."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"Namespaces and the operations described on this page are a Linux-specific."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "/* ns_show.c\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" Licensed under the GNU General Public License v2 or later.\n"
"*/\n"
"#include E<lt>errno.hE<gt>\n"
"#include E<lt>fcntl.hE<gt>\n"
"#include E<lt>linux/nsfs.hE<gt>\n"
"#include E<lt>stdint.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/ioctl.hE<gt>\n"
"#include E<lt>sys/stat.hE<gt>\n"
"#include E<lt>sys/sysmacros.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int fd, userns_fd, parent_fd;\n"
" struct stat sb;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc E<lt> 2) {\n"
" fprintf(stderr, \"Usage: %s /proc/[pid]/ns/[file] [p|u]\\en\",\n"
" argv[0]);\n"
" fprintf(stderr, \"\\enDisplay the result of one or both \"\n"
" \"of NS_GET_USERNS (u) or NS_GET_PARENT (p)\\en\"\n"
" \"for the specified /proc/[pid]/ns/[file]. If neither \"\n"
" \"\\[aq]p\\[aq] nor \\[aq]u\\[aq] is specified,\\en\"\n"
" \"NS_GET_USERNS is the default.\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Obtain a file descriptor for the \\[aq]ns\\[aq] file specified\n"
" in argv[1]. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" fd = open(argv[1], O_RDONLY);\n"
" if (fd == -1) {\n"
" perror(\"open\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Obtain a file descriptor for the owning user namespace and\n"
" then obtain and display the inode number of that namespace. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc E<lt> 3 || strchr(argv[2], \\[aq]u\\[aq])) {\n"
" userns_fd = ioctl(fd, NS_GET_USERNS);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (userns_fd == -1) {\n"
" if (errno == EPERM)\n"
" printf(\"The owning user namespace is outside \"\n"
" \"your namespace scope\\en\");\n"
" else\n"
" perror(\"ioctl-NS_GET_USERNS\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (fstat(userns_fd, &sb) == -1) {\n"
" perror(\"fstat-userns\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
" printf(\"Device/Inode of owning user namespace is: \"\n"
" \"[%x,%x] / %ju\\en\",\n"
" major(sb.st_dev),\n"
" minor(sb.st_dev),\n"
" (uintmax_t) sb.st_ino);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" close(userns_fd);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Obtain a file descriptor for the parent namespace and\n"
" then obtain and display the inode number of that namespace. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc E<gt> 2 && strchr(argv[2], \\[aq]p\\[aq])) {\n"
" parent_fd = ioctl(fd, NS_GET_PARENT);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (parent_fd == -1) {\n"
" if (errno == EINVAL)\n"
" printf(\"Can\\[aq] get parent namespace of a \"\n"
" \"nonhierarchical namespace\\en\");\n"
" else if (errno == EPERM)\n"
" printf(\"The parent namespace is outside \"\n"
" \"your namespace scope\\en\");\n"
" else\n"
" perror(\"ioctl-NS_GET_PARENT\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (fstat(parent_fd, &sb) == -1) {\n"
" perror(\"fstat-parentns\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
" printf(\"Device/Inode of parent namespace is: [%x,%x] / %ju\\en\",\n"
" major(sb.st_dev),\n"
" minor(sb.st_dev),\n"
" (uintmax_t) sb.st_ino);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" close(parent_fd);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2023-05-03"
msgstr ""
#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages 6.05.01"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-04-03"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "Linux man-pages 6.04"
msgstr ""
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