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Diffstat (limited to 'templates/man2/ioctl_ns.2.pot')
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diff --git a/templates/man2/ioctl_ns.2.pot b/templates/man2/ioctl_ns.2.pot new file mode 100644 index 00000000..e6ab1601 --- /dev/null +++ b/templates/man2/ioctl_ns.2.pot @@ -0,0 +1,790 @@ +# 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 "" |