diff options
| -rw-r--r-- | ChangeLog | 18 | ||||
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | include/sys/stat.h | 1 | ||||
| -rw-r--r-- | io/Makefile | 13 | ||||
| -rw-r--r-- | io/Versions | 1 | ||||
| -rw-r--r-- | io/sys/stat.h | 37 | ||||
| -rw-r--r-- | sysdeps/generic/mkdirat.c | 58 | ||||
| -rw-r--r-- | sysdeps/generic/mkfifoat.c | 60 | ||||
| -rw-r--r-- | sysdeps/generic/mknodat.c | 60 | ||||
| -rw-r--r-- | sysdeps/generic/xmknodat.c | 63 | ||||
| -rw-r--r-- | sysdeps/unix/mkfifoat.c | 32 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mkdirat.c | 66 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/xmknodat.c | 75 |
13 files changed, 480 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog index 1c3cc1ee26..9dd3bc2ee7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,21 @@ +2005-12-02 Ulrich Drepper <drepper@redhat.com> + + * io/Makefile (routines): Add mknodat, xmknodat, mkdirat, mkfifoat. + (static-only-routines): Add mknodat. + * io/Versions [GLIBC_2.4]: Add mkdirat, mkfifoat, __xmknodat. + * io/sys/stat.h: Declare mkditat, mknodat, mkfifoat, __xmknodat. + Define mknodat inline function. + * include/sys/stat.h: Add hidden proto for __xmknodat. + * sysdeps/generic/mkdirat.c: New file. + * sysdeps/generic/mkfifoat.c: New file. + * sysdeps/generic/mknodat.c: New file. + * sysdeps/generic/xmknodat.c: New file. + * sysdeps/unix/mkfifoat.c: New file. + * sysdeps/unix/sysv/linux/mkdirat.c: New file. + * sysdeps/unix/sysv/linux/xmknodat.c: New file. + + * sysdeps/generic/xmknod.c: Add one more parameter check. + 2005-11-28 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/mips/bits/mman.h (MREMAP_FIXED): Added, diff --git a/NEWS b/NEWS index 86c7b5e833..19c24c23dc 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,4 @@ -GNU C Library NEWS -- history of user-visible changes. 2005-11-11 +GNU C Library NEWS -- history of user-visible changes. 2005-12-02 Copyright (C) 1992-2002,2003,2004,2005 Free Software Foundation, Inc. See the end for copying conditions. @@ -28,7 +28,7 @@ Version 2.4 recommend using the stable 2.3 branch. * New interfaces: fdopendir, openat, fstatat, fchownat, futimesat, renameat, - unlinkat. + unlinkat, mkdirat, mkfifoat, mknodat. Version 2.3.6 diff --git a/include/sys/stat.h b/include/sys/stat.h index 2e2566d9ef..4a4d05d938 100644 --- a/include/sys/stat.h +++ b/include/sys/stat.h @@ -29,6 +29,7 @@ extern __inline__ int __mknod (__const char *__path, __mode_t __mode, { return __xmknod (_MKNOD_VER, __path, __mode, &__dev); } +libc_hidden_proto (__xmknodat) /* The `stat', `fstat', `lstat' functions have to be handled special since diff --git a/io/Makefile b/io/Makefile index 9339ffe699..76e6072c4b 100644 --- a/io/Makefile +++ b/io/Makefile @@ -28,13 +28,14 @@ headers := sys/stat.h bits/stat.h sys/statfs.h bits/statfs.h sys/vfs.h \ routines := \ utime \ - mkfifo \ - stat fstat lstat mknod stat64 fstat64 lstat64 fstatat fstatat64 \ - xstat fxstat lxstat xmknod xstat64 fxstat64 lxstat64 \ + mkfifo mkfifoat \ + stat fstat lstat stat64 fstat64 lstat64 fstatat fstatat64 \ + xstat fxstat lxstat xstat64 fxstat64 lxstat64 \ + mknod mknodat xmknod xmknodat \ fxstatat fxstatat64 \ statfs fstatfs statfs64 fstatfs64 \ statvfs fstatvfs statvfs64 fstatvfs64 \ - umask chmod fchmod lchmod mkdir \ + umask chmod fchmod lchmod mkdir mkdirat \ open open64 openat openat64 close \ read write lseek lseek64 access euidaccess \ fcntl flock lockf lockf64 \ @@ -54,8 +55,8 @@ routines := \ # These routines will be omitted from the libc shared object. # Instead the static object files will be included in a special archive # linked against when the shared library will be used. -static-only-routines = stat fstat lstat mknod stat64 fstat64 lstat64 \ - fstatat fstatat64 +static-only-routines = stat fstat lstat stat64 fstat64 lstat64 \ + fstatat fstatat64 mknod mknodat others := pwd test-srcs := ftwtest diff --git a/io/Versions b/io/Versions index 65ee77182e..05b9bfc185 100644 --- a/io/Versions +++ b/io/Versions @@ -100,6 +100,7 @@ libc { GLIBC_2.4 { fchownat; __fxstatat; __fxstatat64; + mkdirat; mkfifoat; __xmknodat; openat; openat64; unlinkat; } diff --git a/io/sys/stat.h b/io/sys/stat.h index 03152990e7..d164645a8e 100644 --- a/io/sys/stat.h +++ b/io/sys/stat.h @@ -305,6 +305,14 @@ extern __mode_t getumask (void) __THROW; extern int mkdir (__const char *__path, __mode_t __mode) __THROW __nonnull ((1)); +#ifdef __USE_GNU +/* Like mkdir, create a new directory with permission bits MODE. But + interpret relative PATH names relative to the directory associated + with FD. */ +extern int mkdirat (int __fd, __const char *__path, __mode_t __mode) + __THROW __nonnull ((2)); +#endif + /* Create a device file named PATH, with permission and special bits MODE and device number DEV (which can be constructed from major and minor device numbers with the `makedev' macro above). */ @@ -313,10 +321,26 @@ extern int mknod (__const char *__path, __mode_t __mode, __dev_t __dev) __THROW __nonnull ((1)); #endif +#ifdef __USE_GNU +/* Like mknod, create a new device file with permission bits MODE and + device number DEV. But interpret relative PATH names relative to + the directory associated with FD. */ +extern int mknodat (int __fd, __const char *__path, __mode_t __mode, + __dev_t __dev) __THROW __nonnull ((2)); +#endif + /* Create a new FIFO named PATH, with permission bits MODE. */ extern int mkfifo (__const char *__path, __mode_t __mode) __THROW __nonnull ((1)); + +#ifdef __USE_GNU +/* Like mkfifo, create a new FIFO with permission bits MODE. But + interpret relative PATH names relative to the directory associated + with FD. */ +extern int mkfifoat (int __fd, __const char *__path, __mode_t __mode) + __THROW __nonnull ((2)); +#endif /* To allow the `struct stat' structure and the file type `mode_t' bits to vary without changing shared library major version number, @@ -388,6 +412,10 @@ extern int __fxstatat64 (int __ver, int __fildes, __const char *__filename, extern int __xmknod (int __ver, __const char *__path, __mode_t __mode, __dev_t *__dev) __THROW __nonnull ((2, 4)); +extern int __xmknodat (int __ver, int __fd, __const char *__path, + __mode_t __mode, __dev_t *__dev) + __THROW __nonnull ((3, 5)); + #if defined __GNUC__ && __GNUC__ >= 2 /* Inlined versions of the real stat and mknod functions. */ @@ -428,6 +456,15 @@ __NTH (mknod (__const char *__path, __mode_t __mode, __dev_t __dev)) } # endif +# ifdef __USE_GNU +extern __inline__ int +__NTH (mknodat (int __fd, __const char *__path, __mode_t __mode, + __dev_t __dev)) +{ + return __xmknodat (_MKNOD_VER, __fd, __path, __mode, &__dev); +} +# endif + # if defined __USE_LARGEFILE64 \ && (! defined __USE_FILE_OFFSET64 \ || (defined __REDIRECT_NTH && defined __OPTIMIZE__)) diff --git a/sysdeps/generic/mkdirat.c b/sysdeps/generic/mkdirat.c new file mode 100644 index 0000000000..ccea3aa8d8 --- /dev/null +++ b/sysdeps/generic/mkdirat.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <sys/stat.h> +#include <sys/types.h> + + +/* Create a directory named PATH relative to FD with protections MODE. */ +int +mkdirat (fd, path, mode) + int fd; + const char *path; + mode_t mode; +{ + if (path == NULL) + { + __set_errno (EINVAL); + return -1; + } + + if (fd != AT_FDCWD && path[0] != '/') + { + /* Check FD is associated with a directory. */ + struct stat64 st; + if (__fxstat64 (_STAT_VER, fd, &st) != 0) + return -1; + + if (!S_ISDIR (st.st_mode)) + { + __set_errno (ENOTDIR); + return -1; + } + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (mkdirat) + +#include <stub-tag.h> diff --git a/sysdeps/generic/mkfifoat.c b/sysdeps/generic/mkfifoat.c new file mode 100644 index 0000000000..48c38c8182 --- /dev/null +++ b/sysdeps/generic/mkfifoat.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <sys/stat.h> +#include <sys/types.h> + + +/* Create a named pipe (FIFO) named PATH relative to FD with + protections MODE. */ +int +mkfifoat (fd, path, mode) + int fd; + const char *path; + mode_t mode; +{ + if (path == NULL) + { + __set_errno (EINVAL); + return -1; + } + + if (fd != AT_FDCWD && path[0] != '/') + { + /* Check FD is associated with a directory. */ + struct stat64 st; + if (__fxstat64 (_STAT_VER, fd, &st) != 0) + return -1; + + if (!S_ISDIR (st.st_mode)) + { + __set_errno (ENOTDIR); + return -1; + } + } + + __set_errno (ENOSYS); + return -1; +} + + +stub_warning (mkfifoat) +#include <stub-tag.h> diff --git a/sysdeps/generic/mknodat.c b/sysdeps/generic/mknodat.c new file mode 100644 index 0000000000..ac515b5b48 --- /dev/null +++ b/sysdeps/generic/mknodat.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1995, 1996, 2001, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + +#include <sys/types.h> +#include <sys/stat.h> + +/* This definition is only used if inlining fails for this function; see + the last page of <sys/stat.h>. The real work is done by the `x' + function which is passed a version number argument. We arrange in the + makefile that when not inlined this function is always statically + linked; that way a dynamically-linked executable always encodes the + version number corresponding to the data structures it uses, so the `x' + functions in the shared library can adapt without needing to recompile + all callers. */ + +int +mknodat (int fd, const char *path, mode_t mode, dev_t dev) +{ + return __xmknodat (_MKNOD_VER, fd, path, mode, &dev); +} + + +/* Hide the symbol so that no definition but the one locally in the + executable or DSO is used. */ +#ifdef HAVE_DOT_HIDDEN +asm (".hidden\tmknodat"); +#endif diff --git a/sysdeps/generic/xmknodat.c b/sysdeps/generic/xmknodat.c new file mode 100644 index 0000000000..56d88c7b0f --- /dev/null +++ b/sysdeps/generic/xmknodat.c @@ -0,0 +1,63 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> + +/* Create a device file named PATH relative to FD, with permission and + special bits MODE and device number DEV (which can be constructed + from major and minor device numbers with the `makedev' macro + above). */ +int +__xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev) +{ + if (vers != _MKNOD_VER) + { + __set_errno (EINVAL); + return -1; + } + + if (path == NULL) + { + __set_errno (EINVAL); + return -1; + } + + if (fd != AT_FDCWD && path[0] != '/') + { + /* Check FD is associated with a directory. */ + struct stat64 st; + if (__fxstat64 (_STAT_VER, fd, &st) != 0) + return -1; + + if (!S_ISDIR (st.st_mode)) + { + __set_errno (ENOTDIR); + return -1; + } + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (__xmknodat) + +libc_hidden_def (__xmknodat) +#include <stub-tag.h> diff --git a/sysdeps/unix/mkfifoat.c b/sysdeps/unix/mkfifoat.c new file mode 100644 index 0000000000..5c4da2a982 --- /dev/null +++ b/sysdeps/unix/mkfifoat.c @@ -0,0 +1,32 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/stat.h> + + +/* Create a new FIFO with permission bits MODE. But interpret + relative PATH names relative to the directory associated with FD. */ +int +mkfifoat (fd, file, mode) + int fd; + const char *file; + mode_t mode; +{ + dev_t dev = 0; + return __xmknodat (_MKNOD_VER, fd, file, mode | S_IFIFO, &dev); +} diff --git a/sysdeps/unix/sysv/linux/mkdirat.c b/sysdeps/unix/sysv/linux/mkdirat.c new file mode 100644 index 0000000000..367441b05b --- /dev/null +++ b/sysdeps/unix/sysv/linux/mkdirat.c @@ -0,0 +1,66 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> +#include <sysdep-cancel.h> + + +/* Create a new directory with permission bits MODE. But interpret + relative PATH names relative to the directory associated with FD. */ +int +mkdirat (fd, file, mode) + int fd; + const char *file; + mode_t mode; +{ + char *buf = NULL; + + if (fd != AT_FDCWD && file[0] != '/') + { + size_t filelen = strlen (file); + static const char procfd[] = "/proc/self/fd/%d/%s"; + /* Buffer for the path name we are going to use. It consists of + - the string /proc/self/fd/ + - the file descriptor number + - the file name provided. + The final NUL is included in the sizeof. A bit of overhead + due to the format elements compensates for possible negative + numbers. */ + size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; + buf = alloca (buflen); + + __snprintf (buf, buflen, procfd, fd, file); + file = buf; + } + + INTERNAL_SYSCALL_DECL (err); + int res = INTERNAL_SYSCALL (mkdir, err, 2, file, mode); + + if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0)) + { + __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf); + res = -1; + } + + return res; +} diff --git a/sysdeps/unix/sysv/linux/xmknodat.c b/sysdeps/unix/sysv/linux/xmknodat.c new file mode 100644 index 0000000000..9332ae683e --- /dev/null +++ b/sysdeps/unix/sysv/linux/xmknodat.c @@ -0,0 +1,75 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/sysmacros.h> + +#include <sysdep.h> +#include <sys/syscall.h> +#include <bp-checks.h> + +/* Create a device file named PATH relative to FD, with permission and + special bits MODE and device number DEV (which can be constructed + from major and minor device numbers with the `makedev' macro above). */ +int +__xmknodat (int vers, int fd, const char *file, mode_t mode, dev_t *dev) +{ + if (vers != _MKNOD_VER) + { + __set_errno (EINVAL); + return -1; + } + + char *buf = NULL; + + if (fd != AT_FDCWD && file[0] != '/') + { + size_t filelen = strlen (file); + static const char procfd[] = "/proc/self/fd/%d/%s"; + /* Buffer for the path name we are going to use. It consists of + - the string /proc/self/fd/ + - the file descriptor number + - the file name provided. + The final NUL is included in the sizeof. A bit of overhead + due to the format elements compensates for possible negative + numbers. */ + size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; + buf = alloca (buflen); + + __snprintf (buf, buflen, procfd, fd, file); + file = buf; + } + + /* We must convert the value to dev_t type used by the kernel. */ + unsigned long long int k_dev = (*dev) & ((1ULL << 32) - 1); + if (k_dev != *dev) + { + __set_errno (EINVAL); + return -1; + } + + return INLINE_SYSCALL (mknod, 3, CHECK_STRING (file), mode, + (unsigned int) k_dev); +} + +libc_hidden_def (__xmknodat) |