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SUSE:SLE-12-SP4:GA
psmisc.23621
psmisc-22.21-statx.patch
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File psmisc-22.21-statx.patch of Package psmisc.23621
--- configure.ac | 15 +++++ src/Makefile.am | 3 + src/fuser.c | 23 ++++++++ src/statx.c | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/statx.h | 70 +++++++++++++++++++++++++ src/timeout.c | 12 +++- 6 files changed, 277 insertions(+), 1 deletion(-) --- configure.ac +++ configure.ac 2022-03-02 13:07:53.629494835 +0000 @@ -66,6 +66,21 @@ if test "$enable_mountinfo_list" = "yes" AC_DEFINE([WITH_MOUNTINFO_LIST], [1], [Use list in /proc/self/mountinfo to replace stat calls]) fi +AC_CHECK_HEADERS([sys/syscall.h]) +AC_CHECK_DECLS([SYS_statx], + [has_syscall_statx="yes"], + [has_syscall_statx="no"], + [[#include <sys/syscall.h>]] +) +AC_CHECK_FUNCS([statx]) +# Check for linux specific statx(2) system call +AC_SUBST([HAS_SYSCALL_STATX]) +AC_ARG_ENABLE([disable_statx], + [AS_HELP_STRING([--disable-statx], [Do not use linux specific statx(2) system call as replacement for stat(2), lstat(2), and fstat(2)])], + [enable_syscall_statx="no"], + [enable_syscall_statx=$has_syscall_statx]) +AM_CONDITIONAL([HAVE_SYSCALL_STATX], [test "$enable_syscall_statx" = "yes"]) + # Enable hardened compile and link flags AC_ARG_ENABLE([harden_flags], [AS_HELP_STRING([--disable-harden-flags], [disable hardened compilier and linker flags])], --- src/Makefile.am +++ src/Makefile.am 2022-03-02 13:07:53.629494835 +0000 @@ -34,6 +34,9 @@ fuser_SOURCES = fuser.c comm.h signals.c if WANT_TIMEOUT_STAT fuser_SOURCES += timeout.c timeout.h endif +if HAVE_SYSCALL_STATX + fuser_SOURCES += statx.c statx.h +endif fuser_LDADD = @LIBINTL@ -lpthread --- src/fuser.c +++ src/fuser.c 2022-03-02 13:17:05.279133044 +0000 @@ -61,6 +61,9 @@ #include "signals.h" #include "i18n.h" #include "timeout.h" +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) +#include "statx.h" +#endif //#define DEBUG 1 @@ -119,7 +122,11 @@ static int find_mountpoint(const char *p #if defined(WITH_MOUNTINFO_LIST) static int mntstat(const char *path, struct stat *buf); #endif +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) +static stat_t thestat = statn; +#else static stat_t thestat = stat; +#endif static char *expandpath(const char *path); static void usage(const char *errormsg) @@ -157,7 +164,11 @@ static void usage(const char *errormsg) void print_version() { +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) + fprintf(stderr, _("fuser (PSmisc, with statx support) %s\n"), VERSION); +#else fprintf(stderr, _("fuser (PSmisc) %s\n"), VERSION); +#endif fprintf(stderr, _ ("Copyright (C) 1993-2010 Werner Almesberger and Craig Small\n\n")); @@ -2338,14 +2349,22 @@ static int mntstat(const char *path, str * Could be a special file (socket, pipe, inotify) */ errno = 0; +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) + return statn(path, buf); +#else return stat(path, buf); +#endif } if (strncmp("/dev/", use, 5) == 0) { /* * Could be a special file (socket, pipe, inotify) */ errno = 0; +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) + return statn(path, buf); +#else return stat(path, buf); +#endif } if (find_mountpoint(use, &mnt) < 0) { @@ -2359,7 +2378,11 @@ static int mntstat(const char *path, str return 0; /* found on NFS */ } +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) + return statn(path, buf); +#else return stat(path, buf); +#endif } #endif /* WITH_MOUNTINFO_LIST */ --- src/statx.c +++ src/statx.c 2022-03-02 13:07:53.629494835 +0000 @@ -0,0 +1,155 @@ +/* + * statx.c - Map modern statx(2) system call to older stat(2), lstat(2), + * and fstat(2) replacements named {,l,f}statn() + * + * Copyright (C) 2018 Werner Fink + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifndef HAVE_STATX +# define _ASM_GENERIC_FCNTL_H /* Avoid collisions between asm/fcntl.h and bits/fcntl.h ! */ +# include <linux/fcntl.h> /* Definition of AT_* and AT_STATX_* constants ! */ +#endif +#include <fcntl.h> /* Definition of AT_* constants */ +#include <sys/stat.h> +#ifndef HAVE_STATX +# ifndef STATX_TYPE +# include <linux/stat.h> /* Provides 'struct statx' and STATX_* ! */ +# endif +#endif +#include <errno.h> +#include <sys/sysmacros.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <unistd.h> + +int stat_flags = AT_NO_AUTOMOUNT|AT_STATX_DONT_SYNC; + +int statn(const char *pathname, /* unsigned int mask, */ struct stat *st) +{ + int flags = stat_flags; + int dirfd = pathname && *pathname == '/' ? 0 : AT_FDCWD; + int ret; + struct statx stx; + + unsigned int mask = STATX_UID|STATX_INO|STATX_TYPE; + +#ifndef HAVE_STATX + ret = syscall(SYS_statx, dirfd, pathname, flags, mask, &stx); +#else + ret = statx(dirfd, pathname, flags, mask, &stx); +#endif + if (ret >= 0) { + st->st_dev = makedev(stx.stx_dev_major, stx.stx_dev_minor); + st->st_rdev = makedev(stx.stx_rdev_major, stx.stx_rdev_minor); + + st->st_ino = stx.stx_ino; + st->st_mode = stx.stx_mode; + st->st_nlink = stx.stx_nlink; + st->st_uid = stx.stx_uid; + st->st_gid = stx.stx_gid; + st->st_size = stx.stx_size; + st->st_blksize = stx.stx_blksize; + st->st_blocks = stx.stx_blocks; + + st->st_atim.tv_sec = stx.stx_atime.tv_sec; + st->st_atim.tv_nsec = stx.stx_atime.tv_nsec; + st->st_mtim.tv_sec = stx.stx_mtime.tv_sec; + st->st_mtim.tv_nsec = stx.stx_mtime.tv_nsec; + st->st_ctim.tv_sec = stx.stx_ctime.tv_sec; + st->st_ctim.tv_nsec = stx.stx_ctime.tv_nsec; + } else if (ret < 0 && errno == ENOSYS) + ret = stat(pathname, st); + return ret; +} + +#if 0 +int fstatn(int fd, unsigned int mask, struct stat *st) +{ + int flags = AT_EMPTY_PATH|stat_flags; + int ret; + struct statx stx; + +#ifndef HAVE_STATX + ret = syscall(SYS_statx, fd, "", flags, mask, &stx); +#else + ret = statx(fd, "", flags, mask, &stx); +#endif + if (ret >= 0) { + st->st_dev = makedev(stx.stx_dev_major, stx.stx_dev_minor); + st->st_rdev = makedev(stx.stx_rdev_major, stx.stx_rdev_minor); + + st->st_ino = stx.stx_ino; + st->st_mode = stx.stx_mode; + st->st_nlink = stx.stx_nlink; + st->st_uid = stx.stx_uid; + st->st_gid = stx.stx_gid; + st->st_size = stx.stx_size; + st->st_blksize = stx.stx_blksize; + st->st_blocks = stx.stx_blocks; + + st->st_atim.tv_sec = stx.stx_atime.tv_sec; + st->st_atim.tv_nsec = stx.stx_atime.tv_nsec; + st->st_mtim.tv_sec = stx.stx_mtime.tv_sec; + st->st_mtim.tv_nsec = stx.stx_mtime.tv_nsec; + st->st_ctim.tv_sec = stx.stx_ctime.tv_sec; + st->st_ctim.tv_nsec = stx.stx_ctime.tv_nsec; + } + return ret; +} + +int lstatn(const char *pathname, unsigned int mask, struct stat *st) +{ + int flags = AT_SYMLINK_NOFOLLOW|stat_flags; + int dirfd = pathname && *pathname == '/' ? 0 : AT_FDCWD; + int ret; + struct statx stx; + +#ifndef HAVE_STATX + ret = syscall(SYS_statx, dirfd, pathname, flags, mask, &stx); +#else + ret = statx(dirfd, pathname, flags, mask, &stx); +#endif + if (ret >= 0) { + st->st_dev = makedev(stx.stx_dev_major, stx.stx_dev_minor); + st->st_rdev = makedev(stx.stx_rdev_major, stx.stx_rdev_minor); + + st->st_ino = stx.stx_ino; + st->st_mode = stx.stx_mode; + st->st_nlink = stx.stx_nlink; + st->st_uid = stx.stx_uid; + st->st_gid = stx.stx_gid; + st->st_size = stx.stx_size; + st->st_blksize = stx.stx_blksize; + st->st_blocks = stx.stx_blocks; + + st->st_atim.tv_sec = stx.stx_atime.tv_sec; + st->st_atim.tv_nsec = stx.stx_atime.tv_nsec; + st->st_mtim.tv_sec = stx.stx_mtime.tv_sec; + st->st_mtim.tv_nsec = stx.stx_mtime.tv_nsec; + st->st_ctim.tv_sec = stx.stx_ctime.tv_sec; + st->st_ctim.tv_nsec = stx.stx_ctime.tv_nsec; + } + return ret; +} +#endif --- src/statx.h +++ src/statx.h 2022-03-02 13:07:53.629494835 +0000 @@ -0,0 +1,70 @@ +/* + * statx.h - Map modern statx(2) system call to older stat(2), lstat(2), + * and fstat(2) replacements named {,l,f}statn() + * + * Copyright (C) 2018 Werner Fink + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _STATX_H +#define _STATX_H + +extern int stat_flags; +#if defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1 +# ifndef HAVE_STATX +# define _ASM_GENERIC_FCNTL_H /* Avoid collisions between asm/fcntl.h and bits/fcntl.h ! */ +# include <linux/fcntl.h> /* Definition of AT_* and AT_STATX_* constants ! */ +# ifndef STATX_TYPE +# include <linux/stat.h> /* Provides 'struct statx' and STATX_* ! */ +# endif +# endif +extern int statn(const char*, /* unsigned int, */ struct stat*); +# if 0 +extern int fstatn(int, unsigned int, struct stat*); +extern int lstatn(const char*, unsigned int, struct stat*); +# endif +#else +extern inline int +statn(const char *path, unsigned int mask __attribute__((unused)), struct stat *st) +{ + return stat(path, st); +} +extern inline int +fstatn(int fd, unsigned int mask __attribute__((unused)), struct stat *st) +{ + return fstat(fd, st); +} +extern inline int +lstatn(const char *path, unsigned int mask __attribute__((unused)), struct stat *st) +{ + return lstat(path, st); +} +#define STATX_TYPE 0 +#define STATX_MODE 0 +#define STATX_NLINK 0 +#define STATX_UID 0 +#define STATX_GID 0 +#define STATX_ATIME 0 +#define STATX_MTIME 0 +#define STATX_CTIME 0 +#define STATX_INO 0 +#define STATX_SIZE 0 +#define STATX_BLOCKS 0 +#define STATX_BASIC_STATS 0 +#define STATX_BTIME 0 +#define STATX_ALL 0 +#endif +#endif --- src/timeout.c +++ src/timeout.c 2022-03-02 13:13:55.046708714 +0000 @@ -42,6 +42,9 @@ #include <wait.h> #include "timeout.h" +#if defined(HAVE_SYSCALL_STATX) || (defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) +#include "statx.h" +#endif #if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) # ifndef destructor @@ -72,6 +75,7 @@ # define strcpy(d,s) __builtin_strcpy((d),(s)) /* Without boundary check please */ #endif +#if !defined(HAVE_SYSCALL_STATX) && !(defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) #if WITH_TIMEOUT_STAT static sigjmp_buf jenv; static void sigjump(int sig attribute((unused))) @@ -79,6 +83,7 @@ static void sigjump(int sig attribute((u siglongjmp(jenv, 1); } #endif +#endif #if WITH_TIMEOUT_STAT == 2 /* @@ -103,6 +108,7 @@ typedef struct _handle { * with (p)threads as SIGKILL would kill all threads including main. */ +#if !defined(HAVE_SYSCALL_STATX) && !(defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) static volatile pid_t active; static handle_t *handle; static const size_t buflen = PATH_MAX+sizeof(handle_t)+1; @@ -198,6 +204,7 @@ static void attribute((destructor)) stop if (active && waitpid(active, NULL, WNOHANG|WUNTRACED) == 0) kill(active, SIGKILL); } +#endif /* * External routine @@ -209,14 +216,16 @@ static void attribute((destructor)) stop int timeout(stat_t function, const char *path, struct stat *restrict argument, time_t seconds) { +#if !defined(HAVE_SYSCALL_STATX) && !(defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) struct sigaction alrm_act, new_act; sigset_t sigset, oldset; if (active <= 0) /* Oops, last one failed therefore clear status and restart */ start(); if (!handle) /* No shared memory area */ +#endif return function(path, argument); - +#if !defined(HAVE_SYSCALL_STATX) && !(defined(HAVE_DECL_SYS_STATX) && HAVE_DECL_SYS_STATX == 1) handle->len = strlen(path) + 1; if (handle->len >= PATH_MAX) { errno = ENAMETOOLONG; @@ -269,6 +278,7 @@ timed: errno = ETIMEDOUT; error: return -1; +#endif } #elif WITH_TIMEOUT_STAT == 1 /*
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