Copyright (C) Jeremy Allison 1998-2005
Copyright (C) Timur Bakeyev 2005
Copyright (C) Bjoern Jacke 2006-2007
-
+
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "system/syslog.h"
+#include "system/capability.h"
+#include "system/passwd.h"
+#include "system/filesys.h"
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
int ret = posix_memalign( &p, align, size );
if ( ret == 0 )
return p;
-
+
return NULL;
#elif defined(HAVE_MEMALIGN)
return memalign( align, size );
* is not SPEC1170 complient... grumble... JRA.
*/
- if(usecs < 0 || usecs > 1000000) {
+ if(usecs < 0 || usecs > 999999) {
errno = EINVAL;
return -1;
}
do {
ret = read(fd, buf, count);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
do {
ret = write(fd, buf, count);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
+ return ret;
+}
+
+/*******************************************************************
+A writev wrapper that will deal with EINTR.
+********************************************************************/
+
+ssize_t sys_writev(int fd, const struct iovec *iov, int iovcnt)
+{
+ ssize_t ret;
+
+#if 0
+ /* Try to confuse write_data_iov a bit */
+ if ((random() % 5) == 0) {
+ return sys_write(fd, iov[0].iov_base, iov[0].iov_len);
+ }
+ if (iov[0].iov_len > 1) {
+ return sys_write(fd, iov[0].iov_base,
+ (random() % (iov[0].iov_len-1)) + 1);
+ }
+#endif
+
+ do {
+ ret = writev(fd, iov, iovcnt);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
#endif
/*******************************************************************
-A send wrapper that will deal with EINTR.
+A send wrapper that will deal with EINTR or EAGAIN or EWOULDBLOCK.
********************************************************************/
ssize_t sys_send(int s, const void *msg, size_t len, int flags)
do {
ret = send(s, msg, len, flags);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
/*******************************************************************
-A sendto wrapper that will deal with EINTR.
+A sendto wrapper that will deal with EINTR or EAGAIN or EWOULDBLOCK.
********************************************************************/
ssize_t sys_sendto(int s, const void *msg, size_t len, int flags, const struct sockaddr *to, socklen_t tolen)
do {
ret = sendto(s, msg, len, flags, to, tolen);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
/*******************************************************************
-A recv wrapper that will deal with EINTR.
+A recv wrapper that will deal with EINTR or EAGAIN or EWOULDBLOCK.
********************************************************************/
ssize_t sys_recv(int fd, void *buf, size_t count, int flags)
do {
ret = recv(fd, buf, count, flags);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
do {
ret = recvfrom(s, buf, len, flags, from, fromlen);
- } while (ret == -1 && errno == EINTR);
+#if defined(EWOULDBLOCK)
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
+#else
+ } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+#endif
return ret;
}
return ret;
}
+/****************************************************************************
+ Get/Set all the possible time fields from a stat struct as a timespec.
+****************************************************************************/
+
+static struct timespec get_atimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_atim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_atimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_atime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_uatime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_atimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+static struct timespec get_mtimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_mtim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_mtimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_mtime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_umtime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_mtimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+static struct timespec get_ctimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_ctim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_ctimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_ctime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_uctime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_ctimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+/****************************************************************************
+ Return the best approximation to a 'create time' under UNIX from a stat
+ structure.
+****************************************************************************/
+
+static struct timespec calc_create_time_stat(const struct stat *st)
+{
+ struct timespec ret, ret1;
+ struct timespec c_time = get_ctimespec(st);
+ struct timespec m_time = get_mtimespec(st);
+ struct timespec a_time = get_atimespec(st);
+
+ ret = timespec_compare(&c_time, &m_time) < 0 ? c_time : m_time;
+ ret1 = timespec_compare(&ret, &a_time) < 0 ? ret : a_time;
+
+ if(!null_timespec(ret1)) {
+ return ret1;
+ }
+
+ /*
+ * One of ctime, mtime or atime was zero (probably atime).
+ * Just return MIN(ctime, mtime).
+ */
+ return ret;
+}
+
+/****************************************************************************
+ Return the best approximation to a 'create time' under UNIX from a stat_ex
+ structure.
+****************************************************************************/
+
+static struct timespec calc_create_time_stat_ex(const struct stat_ex *st)
+{
+ struct timespec ret, ret1;
+ struct timespec c_time = st->st_ex_ctime;
+ struct timespec m_time = st->st_ex_mtime;
+ struct timespec a_time = st->st_ex_atime;
+
+ ret = timespec_compare(&c_time, &m_time) < 0 ? c_time : m_time;
+ ret1 = timespec_compare(&ret, &a_time) < 0 ? ret : a_time;
+
+ if(!null_timespec(ret1)) {
+ return ret1;
+ }
+
+ /*
+ * One of ctime, mtime or atime was zero (probably atime).
+ * Just return MIN(ctime, mtime).
+ */
+ return ret;
+}
+
+/****************************************************************************
+ Return the 'create time' from a stat struct if it exists (birthtime) or else
+ use the best approximation.
+****************************************************************************/
+
+static void make_create_timespec(const struct stat *pst, struct stat_ex *dst,
+ bool fake_dir_create_times)
+{
+ if (S_ISDIR(pst->st_mode) && fake_dir_create_times) {
+ dst->st_ex_btime.tv_sec = 315493200L; /* 1/1/1980 */
+ dst->st_ex_btime.tv_nsec = 0;
+ }
+
+ dst->st_ex_calculated_birthtime = false;
+
+#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
+ dst->st_ex_btime = pst->st_birthtimespec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC)
+ dst->st_ex_btime.tv_sec = pst->st_birthtime;
+ dst->st_ex_btime.tv_nsec = pst->st_birthtimenspec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIME)
+ dst->st_ex_btime.tv_sec = pst->st_birthtime;
+ dst->st_ex_btime.tv_nsec = 0;
+#else
+ dst->st_ex_btime = calc_create_time_stat(pst);
+ dst->st_ex_calculated_birthtime = true;
+#endif
+
+ /* Deal with systems that don't initialize birthtime correctly.
+ * Pointed out by SATOH Fumiyasu <fumiyas@osstech.jp>.
+ */
+ if (null_timespec(dst->st_ex_btime)) {
+ dst->st_ex_btime = calc_create_time_stat(pst);
+ dst->st_ex_calculated_birthtime = true;
+ }
+}
+
+/****************************************************************************
+ If we update a timestamp in a stat_ex struct we may have to recalculate
+ the birthtime. For now only implement this for write time, but we may
+ also need to do it for atime and ctime. JRA.
+****************************************************************************/
+
+void update_stat_ex_mtime(struct stat_ex *dst,
+ struct timespec write_ts)
+{
+ dst->st_ex_mtime = write_ts;
+
+ /* We may have to recalculate btime. */
+ if (dst->st_ex_calculated_birthtime) {
+ dst->st_ex_btime = calc_create_time_stat_ex(dst);
+ }
+}
+
+void update_stat_ex_create_time(struct stat_ex *dst,
+ struct timespec create_time)
+{
+ dst->st_ex_btime = create_time;
+ dst->st_ex_calculated_birthtime = false;
+}
+
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
+static void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat64 *src,
+ bool fake_dir_create_times)
+#else
+static void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat *src,
+ bool fake_dir_create_times)
+#endif
+{
+ dst->st_ex_dev = src->st_dev;
+ dst->st_ex_ino = src->st_ino;
+ dst->st_ex_mode = src->st_mode;
+ dst->st_ex_nlink = src->st_nlink;
+ dst->st_ex_uid = src->st_uid;
+ dst->st_ex_gid = src->st_gid;
+ dst->st_ex_rdev = src->st_rdev;
+ dst->st_ex_size = src->st_size;
+ dst->st_ex_atime = get_atimespec(src);
+ dst->st_ex_mtime = get_mtimespec(src);
+ dst->st_ex_ctime = get_ctimespec(src);
+ make_create_timespec(src, dst, fake_dir_create_times);
+#ifdef HAVE_STAT_ST_BLKSIZE
+ dst->st_ex_blksize = src->st_blksize;
+#else
+ dst->st_ex_blksize = STAT_ST_BLOCKSIZE;
+#endif
+
+#ifdef HAVE_STAT_ST_BLOCKS
+ dst->st_ex_blocks = src->st_blocks;
+#else
+ dst->st_ex_blocks = src->st_size / dst->st_ex_blksize + 1;
+#endif
+
+#ifdef HAVE_STAT_ST_FLAGS
+ dst->st_ex_flags = src->st_flags;
+#else
+ dst->st_ex_flags = 0;
+#endif
+}
+
/*******************************************************************
A stat() wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_stat(const char *fname,SMB_STRUCT_STAT *sbuf)
+int sys_stat(const char *fname, SMB_STRUCT_STAT *sbuf,
+ bool fake_dir_create_times)
{
int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
- ret = stat64(fname, sbuf);
+ struct stat64 statbuf;
+ ret = stat64(fname, &statbuf);
#else
- ret = stat(fname, sbuf);
+ struct stat statbuf;
+ ret = stat(fname, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf, fake_dir_create_times);
+ }
return ret;
}
An fstat() wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_fstat(int fd,SMB_STRUCT_STAT *sbuf)
+int sys_fstat(int fd, SMB_STRUCT_STAT *sbuf, bool fake_dir_create_times)
{
int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FSTAT64)
- ret = fstat64(fd, sbuf);
+ struct stat64 statbuf;
+ ret = fstat64(fd, &statbuf);
#else
- ret = fstat(fd, sbuf);
+ struct stat statbuf;
+ ret = fstat(fd, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf, fake_dir_create_times);
+ }
return ret;
}
An lstat() wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_lstat(const char *fname,SMB_STRUCT_STAT *sbuf)
+int sys_lstat(const char *fname,SMB_STRUCT_STAT *sbuf,
+ bool fake_dir_create_times)
{
int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSTAT64)
- ret = lstat64(fname, sbuf);
+ struct stat64 statbuf;
+ ret = lstat64(fname, &statbuf);
#else
- ret = lstat(fname, sbuf);
+ struct stat statbuf;
+ ret = lstat(fname, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf, fake_dir_create_times);
+ }
return ret;
}
+/*******************************************************************
+ An posix_fallocate() wrapper that will deal with 64 bit filesizes.
+********************************************************************/
+int sys_posix_fallocate(int fd, SMB_OFF_T offset, SMB_OFF_T len)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_POSIX_FALLOCATE64) && !defined(HAVE_BROKEN_POSIX_FALLOCATE)
+ return posix_fallocate64(fd, offset, len);
+#elif defined(HAVE_POSIX_FALLOCATE) && !defined(HAVE_BROKEN_POSIX_FALLOCATE)
+ return posix_fallocate(fd, offset, len);
+#elif defined(F_RESVSP64)
+ /* this handles XFS on IRIX */
+ struct flock64 fl;
+ SMB_OFF_T new_len = offset + len;
+ int ret;
+ struct stat64 sbuf;
+
+ /* unlikely to get a too large file on a 64bit system but ... */
+ if (new_len < 0)
+ return EFBIG;
+
+ fl.l_whence = SEEK_SET;
+ fl.l_start = offset;
+ fl.l_len = len;
+
+ ret=fcntl(fd, F_RESVSP64, &fl);
+
+ if (ret != 0)
+ return errno;
+
+ /* Make sure the file gets enlarged after we allocated space: */
+ fstat64(fd, &sbuf);
+ if (new_len > sbuf.st_size)
+ ftruncate64(fd, new_len);
+ return 0;
+#else
+ return ENOSYS;
+#endif
+}
+
+/*******************************************************************
+ An fallocate() function that matches the semantics of the Linux one.
+********************************************************************/
+
+#ifdef HAVE_LINUX_FALLOC_H
+#include <linux/falloc.h>
+#endif
+
+int sys_fallocate(int fd, enum vfs_fallocate_mode mode, SMB_OFF_T offset, SMB_OFF_T len)
+{
+#if defined(HAVE_LINUX_FALLOCATE64) || defined(HAVE_LINUX_FALLOCATE)
+ int lmode;
+ switch (mode) {
+ case VFS_FALLOCATE_EXTEND_SIZE:
+ lmode = 0;
+ break;
+ case VFS_FALLOCATE_KEEP_SIZE:
+ lmode = FALLOC_FL_KEEP_SIZE;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LINUX_FALLOCATE64)
+ return fallocate64(fd, lmode, offset, len);
+#elif defined(HAVE_LINUX_FALLOCATE)
+ return fallocate(fd, lmode, offset, len);
+#endif
+#else
+ /* TODO - plumb in fallocate from other filesysetms like VXFS etc. JRA. */
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
/*******************************************************************
An ftruncate() wrapper that will deal with 64 bit filesizes.
********************************************************************/
A flock() wrapper that will perform the kernel flock.
********************************************************************/
-void kernel_flock(int fd, uint32 share_mode)
+void kernel_flock(int fd, uint32 share_mode, uint32 access_mask)
{
#if HAVE_KERNEL_SHARE_MODES
int kernel_mode = 0;
#endif
}
+/*******************************************************************
+ An fdopendir wrapper that will deal with 64 bit filesizes.
+ Ugly hack - we need dirfd for this to work correctly in the
+ calling code.. JRA.
+********************************************************************/
+
+SMB_STRUCT_DIR *sys_fdopendir(int fd)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_FDOPENDIR64) && defined(HAVE_DIRFD)
+ return fdopendir64(fd);
+#elif defined(HAVE_FDOPENDIR) && defined(HAVE_DIRFD)
+ return fdopendir(fd);
+#else
+ errno = ENOSYS;
+ return NULL;
+#endif
+}
+
/*******************************************************************
A readdir wrapper that will deal with 64 bit filesizes.
********************************************************************/
#endif
}
-/*******************************************************************
- Wrapper for realpath.
-********************************************************************/
-
-char *sys_realpath(const char *path, char *resolved_path)
-{
-#if defined(HAVE_REALPATH)
- return realpath(path, resolved_path);
-#else
- /* As realpath is not a system call we can't return ENOSYS. */
- errno = EINVAL;
- return NULL;
-#endif
-}
-
/*******************************************************************
The wait() calls vary between systems
********************************************************************/
return wd;
}
-/*******************************************************************
- Wrapper for lchown.
-********************************************************************/
-
-int sys_lchown(const char *fname,uid_t uid,gid_t gid)
-{
-#ifndef HAVE_LCHOWN
- static int done;
- if (!done) {
- DEBUG(1,("WARNING: no lchown!\n"));
- done=1;
- }
- errno = ENOSYS;
- return -1;
-#else
- return(lchown(fname,uid,gid));
-#endif
-}
-
-/*******************************************************************
-os/2 also doesn't have chroot
-********************************************************************/
-int sys_chroot(const char *dname)
-{
-#ifndef HAVE_CHROOT
- static int done;
- if (!done) {
- DEBUG(1,("WARNING: no chroot!\n"));
- done=1;
- }
- errno = ENOSYS;
- return -1;
-#else
- return(chroot(dname));
-#endif
-}
-
#if defined(HAVE_POSIX_CAPABILITIES)
/**************************************************************************
#endif
}
+#ifndef NGROUPS_MAX
+#define NGROUPS_MAX 32 /* Guess... */
+#endif
+
/**************************************************************************
Returns equivalent to NGROUPS_MAX - using sysconf if needed.
****************************************************************************/
****************************************************************************/
#if defined(HAVE_BROKEN_GETGROUPS)
+
+#ifdef HAVE_BROKEN_GETGROUPS
+#define GID_T int
+#else
+#define GID_T gid_t
+#endif
+
static int sys_broken_getgroups(int setlen, gid_t *gidset)
{
GID_T gid;
DEBUG(0,("sys_setgroups: Malloc fail.\n"));
return -1;
}
-
+
for(i = 0; i < setlen; i++)
group_list[i] = (GID_T) gidset[i];
errno = saved_errno;
return -1;
}
-
+
SAFE_FREE(group_list);
return 0 ;
}
#endif
}
-/**************************************************************************
- Wrappers for setpwent(), getpwent() and endpwent()
-****************************************************************************/
-
-void sys_setpwent(void)
-{
- setpwent();
-}
-
-struct passwd *sys_getpwent(void)
-{
- return getpwent();
-}
-
-void sys_endpwent(void)
-{
- endpwent();
-}
-
-/**************************************************************************
- Wrappers for getpwnam(), getpwuid(), getgrnam(), getgrgid()
-****************************************************************************/
-
-
-struct passwd *sys_getpwnam(const char *name)
-{
- return getpwnam(name);
-}
-
-struct passwd *sys_getpwuid(uid_t uid)
-{
- return getpwuid(uid);
-}
-
-struct group *sys_getgrnam(const char *name)
-{
- return getgrnam(name);
-}
-
-struct group *sys_getgrgid(gid_t gid)
-{
- return getgrgid(gid);
-}
-
/**************************************************************************
Extract a command into an arg list.
****************************************************************************/
}
argl[i++] = NULL;
+ TALLOC_FREE(trunc_cmd);
return argl;
nomem:
return NULL;
}
-/**************************************************************************
- Wrapper for fork. Ensures that mypid is reset. Used so we can write
- a sys_getpid() that only does a system call *once*.
-****************************************************************************/
-
-static pid_t mypid = (pid_t)-1;
-
-pid_t sys_fork(void)
-{
- pid_t forkret = fork();
-
- if (forkret == (pid_t)0) /* Child - reset mypid so sys_getpid does a system call. */
- mypid = (pid_t) -1;
-
- return forkret;
-}
-
-/**************************************************************************
- Wrapper for getpid. Ensures we only do a system call *once*.
-****************************************************************************/
-
-pid_t sys_getpid(void)
-{
- if (mypid == (pid_t)-1)
- mypid = getpid();
-
- return mypid;
-}
-
/**************************************************************************
Wrapper for popen. Safer as it doesn't search a path.
Modified from the glibc sources.
err_exit:
SAFE_FREE(entry);
- SAFE_FREE(argl);
+ TALLOC_FREE(argl);
close(pipe_fds[0]);
close(pipe_fds[1]);
return -1;
return wstatus;
}
-/**************************************************************************
- Wrappers for dlopen, dlsym, dlclose.
-****************************************************************************/
-
-void *sys_dlopen(const char *name, int flags)
-{
-#if defined(HAVE_DLOPEN)
- return dlopen(name, flags);
-#else
- return NULL;
-#endif
-}
-
-void *sys_dlsym(void *handle, const char *symbol)
-{
-#if defined(HAVE_DLSYM)
- return dlsym(handle, symbol);
-#else
- return NULL;
-#endif
-}
-
-int sys_dlclose (void *handle)
-{
-#if defined(HAVE_DLCLOSE)
- return dlclose(handle);
-#else
- return 0;
-#endif
-}
-
-const char *sys_dlerror(void)
-{
-#if defined(HAVE_DLERROR)
- return dlerror();
-#else
- return NULL;
-#endif
-}
-
-int sys_dup2(int oldfd, int newfd)
-{
-#if defined(HAVE_DUP2)
- return dup2(oldfd, newfd);
-#else
- errno = ENOSYS;
- return -1;
-#endif
-}
-
/**************************************************************************
Wrapper for Admin Logs.
****************************************************************************/
int retval, flags = 0;
int valuelength = (int)size;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
retval = attr_get(path, attrname, (char *)value, &valuelength, flags);
if((retval=extattr_get_link(path, attrnamespace, attrname, value, size)) >= 0)
return retval;
}
-
+
DEBUG(10,("sys_lgetxattr: extattr_get_link() failed with: %s\n", strerror(errno)));
return -1;
#elif defined(HAVE_ATTR_GET)
int retval, flags = ATTR_DONTFOLLOW;
int valuelength = (int)size;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
retval = attr_get(path, attrname, (char *)value, &valuelength, flags);
if((retval=extattr_get_fd(filedes, attrnamespace, attrname, value, size)) >= 0)
return retval;
}
-
+
DEBUG(10,("sys_fgetxattr: extattr_get_fd() failed with: %s\n", strerror(errno)));
return -1;
#elif defined(HAVE_ATTR_GETF)
int retval, flags = 0;
int valuelength = (int)size;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
retval = attr_getf(filedes, attrname, (char *)value, &valuelength, flags);
return -1;
}
/* Shift results back, so we can prepend prefixes */
- buf = memmove(list + len, list, list_size);
+ buf = (char *)memmove(list + len, list, list_size);
for(i = 0; i < list_size; i += len + 1) {
len = buf[i];
#elif defined(HAVE_ATTR_REMOVE)
int flags = 0;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
return attr_remove(path, attrname, flags);
#elif defined(HAVE_ATTR_REMOVE)
int flags = ATTR_DONTFOLLOW;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
return attr_remove(path, attrname, flags);
#elif defined(HAVE_ATTR_REMOVEF)
int flags = 0;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
return attr_removef(filedes, attrname, flags);
#elif defined(HAVE_ATTR_SET)
int myflags = 0;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
#elif defined(HAVE_ATTR_SET)
int myflags = ATTR_DONTFOLLOW;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
#elif defined(HAVE_ATTR_SETF)
int myflags = 0;
char *attrname = strchr(name,'.') + 1;
-
+
if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
static ssize_t solaris_list_xattr(int attrdirfd, char *list, size_t size)
{
ssize_t len = 0;
- int stop = 0;
DIR *dirp;
struct dirent *de;
int newfd = dup(attrdirfd);
{
int filedes = openat(fildes, path, oflag, mode);
if (filedes == -1) {
- DEBUG(10,("openat FAILED: fd: %s, path: %s, errno: %s\n",filedes,path,strerror(errno)));
+ DEBUG(10,("openat FAILED: fd: %d, path: %s, errno: %s\n",filedes,path,strerror(errno)));
if (errno == EINVAL) {
errno = ENOTSUP;
} else {
/****************************************************************************
Return the major devicenumber for UNIX extensions.
****************************************************************************/
-
+
uint32 unix_dev_major(SMB_DEV_T dev)
{
#if defined(HAVE_DEVICE_MAJOR_FN)
return (uint32)(dev >> 8);
#endif
}
-
+
/****************************************************************************
Return the minor devicenumber for UNIX extensions.
****************************************************************************/
-
+
uint32 unix_dev_minor(SMB_DEV_T dev)
{
#if defined(HAVE_DEVICE_MINOR_FN)
/*******************************************************************
An aio_read wrapper that will deal with 64-bit sizes.
********************************************************************/
-
+
int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_READ64)
/*******************************************************************
An aio_write wrapper that will deal with 64-bit sizes.
********************************************************************/
-
+
int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_WRITE64)
/*******************************************************************
An aio_return wrapper that will deal with 64-bit sizes.
********************************************************************/
-
+
ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_RETURN64)
*uid = cred.uid;
return 0;
#else
+#if defined(HAVE_GETPEEREID)
+ gid_t gid;
+ return getpeereid(s, uid, &gid);
+#endif
errno = ENOSYS;
return -1;
#endif
int sys_connect(int fd, const struct sockaddr * addr)
{
- socklen_t salen = -1;
+ socklen_t salen = (socklen_t)-1;
if (addr->sa_family == AF_INET) {
salen = sizeof(struct sockaddr_in);