Unix SMB/CIFS implementation.
Samba system utilities
Copyright (C) Andrew Tridgell 1992-1998
- Copyright (C) Jeremy Allison 1998-2002
-
+ 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 2 of the License, or
+ 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
+
/*
The idea is that this file will eventually have wrappers around all
important system calls in samba. The aims are:
+/*******************************************************************
+ A wrapper for memalign
+********************************************************************/
+
+void *sys_memalign( size_t align, size_t size )
+{
+#if defined(HAVE_POSIX_MEMALIGN)
+ void *p = NULL;
+ int ret = posix_memalign( &p, align, size );
+ if ( ret == 0 )
+ return p;
+
+ return NULL;
+#elif defined(HAVE_MEMALIGN)
+ return memalign( align, size );
+#else
+ /* On *BSD systems memaligns doesn't exist, but memory will
+ * be aligned on allocations of > pagesize. */
+#if defined(SYSCONF_SC_PAGESIZE)
+ size_t pagesize = (size_t)sysconf(_SC_PAGESIZE);
+#elif defined(HAVE_GETPAGESIZE)
+ size_t pagesize = (size_t)getpagesize();
+#else
+ size_t pagesize = (size_t)-1;
+#endif
+ if (pagesize == (size_t)-1) {
+ DEBUG(0,("memalign functionalaity not available on this platform!\n"));
+ return NULL;
+ }
+ if (size < pagesize) {
+ size = pagesize;
+ }
+ return SMB_MALLOC(size);
+#endif
+}
+
/*******************************************************************
A wrapper for usleep in case we don't have one.
********************************************************************/
* is not SPEC1170 complient... grumble... JRA.
*/
- if(usecs < 0 || usecs > 1000000) {
+ if(usecs < 0 || usecs > 999999) {
errno = EINVAL;
return -1;
}
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);
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+
+/*******************************************************************
+A pread wrapper that will deal with EINTR and 64-bit file offsets.
+********************************************************************/
+
+#if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
+ssize_t sys_pread(int fd, void *buf, size_t count, SMB_OFF_T off)
+{
+ ssize_t ret;
+
+ do {
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PREAD64)
+ ret = pread64(fd, buf, count, off);
+#else
+ ret = pread(fd, buf, count, off);
+#endif
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+#endif
+
+/*******************************************************************
+A write wrapper that will deal with EINTR and 64-bit file offsets.
+********************************************************************/
+
+#if defined(HAVE_PWRITE) || defined(HAVE_PWRITE64)
+ssize_t sys_pwrite(int fd, const void *buf, size_t count, SMB_OFF_T off)
+{
+ ssize_t ret;
+
+ do {
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PWRITE64)
+ ret = pwrite64(fd, buf, count, off);
+#else
+ ret = pwrite(fd, buf, count, off);
+#endif
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+#endif
+
/*******************************************************************
A send wrapper that will deal with EINTR.
********************************************************************/
return ret;
}
+/*******************************************************************
+A recv wrapper that will deal with EINTR.
+********************************************************************/
+
+ssize_t sys_recv(int fd, void *buf, size_t count, int flags)
+{
+ ssize_t ret;
+
+ do {
+ ret = recv(fd, buf, count, flags);
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+
/*******************************************************************
A recvfrom wrapper that will deal with EINTR.
********************************************************************/
return ret;
}
+/****************************************************************************
+ Return the best approximation to a 'create time' under UNIX from a stat
+ structure.
+****************************************************************************/
+
+static time_t calc_create_time(const struct stat *st)
+{
+ time_t ret, ret1;
+
+ ret = MIN(st->st_ctime, st->st_mtime);
+ ret1 = MIN(ret, st->st_atime);
+
+ if(ret1 != (time_t)0) {
+ 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 struct timespec get_create_timespec(const struct stat *pst)
+{
+ struct timespec ret;
+
+ if (S_ISDIR(pst->st_mode) && lp_fake_dir_create_times()) {
+ ret.tv_sec = 315493200L; /* 1/1/1980 */
+ ret.tv_nsec = 0;
+ return ret;
+ }
+
+#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
+ ret = pst->st_birthtimespec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC)
+ ret.tv_sec = pst->st_birthtime;
+ ret.tv_nsec = pst->st_birthtimenspec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIME)
+ ret.tv_sec = pst->st_birthtime;
+ ret.tv_nsec = 0;
+#else
+ ret.tv_sec = calc_create_time(pst);
+ ret.tv_nsec = 0;
+#endif
+
+ /* Deal with systems that don't initialize birthtime correctly.
+ * Pointed out by SATOH Fumiyasu <fumiyas@osstech.jp>.
+ */
+ if (null_timespec(ret)) {
+ ret.tv_sec = calc_create_time(pst);
+ ret.tv_nsec = 0;
+ }
+ 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
+}
+
+static void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat *src)
+{
+ 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);
+ dst->st_ex_btime = get_create_timespec(src);
+ dst->st_ex_blksize = src->st_blksize;
+ dst->st_ex_blocks = src->st_blocks;
+
+#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.
********************************************************************/
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
ret = stat64(fname, sbuf);
#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);
+ }
return ret;
}
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FSTAT64)
ret = fstat64(fd, sbuf);
#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);
+ }
return ret;
}
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSTAT64)
ret = lstat64(fname, sbuf);
#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);
+ }
return ret;
}
#endif
}
+
/*******************************************************************
- A readdir wrapper that will deal with 64 bit filesizes.
+ A flock() wrapper that will perform the kernel flock.
********************************************************************/
-SMB_STRUCT_DIRENT *sys_readdir(DIR *dirp)
+void kernel_flock(int fd, uint32 share_mode)
{
-#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_READDIR64)
- return readdir64(dirp);
-#else
- return readdir(dirp);
+#if HAVE_KERNEL_SHARE_MODES
+ int kernel_mode = 0;
+ if (share_mode == FILE_SHARE_WRITE) {
+ kernel_mode = LOCK_MAND|LOCK_WRITE;
+ } else if (share_mode == FILE_SHARE_READ) {
+ kernel_mode = LOCK_MAND|LOCK_READ;
+ } else if (share_mode == FILE_SHARE_NONE) {
+ kernel_mode = LOCK_MAND;
+ }
+ if (kernel_mode) {
+ flock(fd, kernel_mode);
+ }
#endif
+ ;
}
+
+
/*******************************************************************
- An mknod() wrapper that will deal with 64 bit filesizes.
+ An opendir wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_mknod(const char *path, mode_t mode, SMB_DEV_T dev)
+SMB_STRUCT_DIR *sys_opendir(const char *name)
{
-#if defined(HAVE_MKNOD) || defined(HAVE_MKNOD64)
-#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_MKNOD64) && defined(HAVE_DEV64_T)
- return mknod64(path, mode, dev);
-#else
- return mknod(path, mode, dev);
-#endif
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OPENDIR64)
+ return opendir64(name);
#else
- /* No mknod system call. */
- errno = ENOSYS;
- return -1;
+ return opendir(name);
#endif
}
/*******************************************************************
- Wrapper for realpath.
+ A readdir wrapper that will deal with 64 bit filesizes.
********************************************************************/
-char *sys_realpath(const char *path, char *resolved_path)
+SMB_STRUCT_DIRENT *sys_readdir(SMB_STRUCT_DIR *dirp)
{
-#if defined(HAVE_REALPATH)
- return realpath(path, resolved_path);
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_READDIR64)
+ return readdir64(dirp);
#else
- /* As realpath is not a system call we can't return ENOSYS. */
- errno = EINVAL;
- return NULL;
+ return readdir(dirp);
#endif
}
/*******************************************************************
-The wait() calls vary between systems
+ A seekdir wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_waitpid(pid_t pid,int *status,int options)
+void sys_seekdir(SMB_STRUCT_DIR *dirp, long offset)
{
-#ifdef HAVE_WAITPID
- return waitpid(pid,status,options);
-#else /* HAVE_WAITPID */
- return wait4(pid, status, options, NULL);
-#endif /* HAVE_WAITPID */
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_SEEKDIR64)
+ seekdir64(dirp, offset);
+#else
+ seekdir(dirp, offset);
+#endif
}
/*******************************************************************
- System wrapper for getwd
+ A telldir wrapper that will deal with 64 bit filesizes.
********************************************************************/
-char *sys_getwd(char *s)
+long sys_telldir(SMB_STRUCT_DIR *dirp)
{
- char *wd;
-#ifdef HAVE_GETCWD
- wd = (char *)getcwd(s, sizeof (pstring));
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_TELLDIR64)
+ return (long)telldir64(dirp);
#else
- wd = (char *)getwd(s);
+ return (long)telldir(dirp);
#endif
- return wd;
}
/*******************************************************************
-system wrapper for symlink
+ A rewinddir wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_symlink(const char *oldpath, const char *newpath)
+void sys_rewinddir(SMB_STRUCT_DIR *dirp)
{
-#ifndef HAVE_SYMLINK
- errno = ENOSYS;
- return -1;
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_REWINDDIR64)
+ rewinddir64(dirp);
#else
- return symlink(oldpath, newpath);
+ rewinddir(dirp);
#endif
}
/*******************************************************************
-system wrapper for readlink
+ A close wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_readlink(const char *path, char *buf, size_t bufsiz)
+int sys_closedir(SMB_STRUCT_DIR *dirp)
{
-#ifndef HAVE_READLINK
- errno = ENOSYS;
- return -1;
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_CLOSEDIR64)
+ return closedir64(dirp);
#else
- return readlink(path, buf, bufsiz);
+ return closedir(dirp);
#endif
}
/*******************************************************************
-system wrapper for link
+ An mknod() wrapper that will deal with 64 bit filesizes.
********************************************************************/
-int sys_link(const char *oldpath, const char *newpath)
+int sys_mknod(const char *path, mode_t mode, SMB_DEV_T dev)
{
-#ifndef HAVE_LINK
+#if defined(HAVE_MKNOD) || defined(HAVE_MKNOD64)
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_MKNOD64) && defined(HAVE_DEV64_T)
+ return mknod64(path, mode, dev);
+#else
+ return mknod(path, mode, dev);
+#endif
+#else
+ /* No mknod system call. */
errno = ENOSYS;
return -1;
-#else
- return link(oldpath, newpath);
#endif
}
/*******************************************************************
-chown isn't used much but OS/2 doesn't have it
+The wait() calls vary between systems
********************************************************************/
-int sys_chown(const char *fname,uid_t uid,gid_t gid)
+int sys_waitpid(pid_t pid,int *status,int options)
{
-#ifndef HAVE_CHOWN
- static int done;
- if (!done) {
- DEBUG(1,("WARNING: no chown!\n"));
- done=1;
- }
-#else
- return(chown(fname,uid,gid));
-#endif
+#ifdef HAVE_WAITPID
+ return waitpid(pid,status,options);
+#else /* HAVE_WAITPID */
+ return wait4(pid, status, options, NULL);
+#endif /* HAVE_WAITPID */
}
/*******************************************************************
-os/2 also doesn't have chroot
+ System wrapper for getwd
********************************************************************/
-int sys_chroot(const char *dname)
+
+char *sys_getwd(char *s)
{
-#ifndef HAVE_CHROOT
- static int done;
- if (!done) {
- DEBUG(1,("WARNING: no chroot!\n"));
- done=1;
- }
- errno = ENOSYS;
- return -1;
+ char *wd;
+#ifdef HAVE_GETCWD
+ wd = (char *)getcwd(s, PATH_MAX);
#else
- return(chroot(dname));
+ wd = (char *)getwd(s);
#endif
+ return wd;
}
+#if defined(HAVE_POSIX_CAPABILITIES)
+
/**************************************************************************
-A wrapper for gethostbyname() that tries avoids looking up hostnames
-in the root domain, which can cause dial-on-demand links to come up for no
-apparent reason.
+ Try and abstract process capabilities (for systems that have them).
****************************************************************************/
-struct hostent *sys_gethostbyname(const char *name)
-{
-#ifdef REDUCE_ROOT_DNS_LOOKUPS
- char query[256], hostname[256];
- char *domain;
+/* Set the POSIX capabilities needed for the given purpose into the effective
+ * capability set of the current process. Make sure they are always removed
+ * from the inheritable set, because there is no circumstance in which our
+ * children should inherit our elevated privileges.
+ */
+static bool set_process_capability(enum smbd_capability capability,
+ bool enable)
+{
+ cap_value_t cap_vals[2] = {0};
+ int num_cap_vals = 0;
+
+ cap_t cap;
+
+#if defined(HAVE_PRCTL) && defined(PR_GET_KEEPCAPS) && defined(PR_SET_KEEPCAPS)
+ /* On Linux, make sure that any capabilities we grab are sticky
+ * across UID changes. We expect that this would allow us to keep both
+ * the effective and permitted capability sets, but as of circa 2.6.16,
+ * only the permitted set is kept. It is a bug (which we work around)
+ * that the effective set is lost, but we still require the effective
+ * set to be kept.
+ */
+ if (!prctl(PR_GET_KEEPCAPS)) {
+ prctl(PR_SET_KEEPCAPS, 1);
+ }
+#endif
+
+ cap = cap_get_proc();
+ if (cap == NULL) {
+ DEBUG(0,("set_process_capability: cap_get_proc failed: %s\n",
+ strerror(errno)));
+ return False;
+ }
- /* Does this name have any dots in it? If so, make no change */
+ switch (capability) {
+ case KERNEL_OPLOCK_CAPABILITY:
+#ifdef CAP_NETWORK_MGT
+ /* IRIX has CAP_NETWORK_MGT for oplocks. */
+ cap_vals[num_cap_vals++] = CAP_NETWORK_MGT;
+#endif
+ break;
+ case DMAPI_ACCESS_CAPABILITY:
+#ifdef CAP_DEVICE_MGT
+ /* IRIX has CAP_DEVICE_MGT for DMAPI access. */
+ cap_vals[num_cap_vals++] = CAP_DEVICE_MGT;
+#elif CAP_MKNOD
+ /* Linux has CAP_MKNOD for DMAPI access. */
+ cap_vals[num_cap_vals++] = CAP_MKNOD;
+#endif
+ break;
+ case LEASE_CAPABILITY:
+#ifdef CAP_LEASE
+ cap_vals[num_cap_vals++] = CAP_LEASE;
+#endif
+ break;
+ }
- if (strchr_m(name, '.'))
- return(gethostbyname(name));
+ SMB_ASSERT(num_cap_vals <= ARRAY_SIZE(cap_vals));
- /* Get my hostname, which should have domain name
- attached. If not, just do the gethostname on the
- original string.
- */
+ if (num_cap_vals == 0) {
+ cap_free(cap);
+ return True;
+ }
- gethostname(hostname, sizeof(hostname) - 1);
- hostname[sizeof(hostname) - 1] = 0;
- if ((domain = strchr_m(hostname, '.')) == NULL)
- return(gethostbyname(name));
+ cap_set_flag(cap, CAP_EFFECTIVE, num_cap_vals, cap_vals,
+ enable ? CAP_SET : CAP_CLEAR);
- /* Attach domain name to query and do modified query.
- If names too large, just do gethostname on the
- original string.
- */
+ /* We never want to pass capabilities down to our children, so make
+ * sure they are not inherited.
+ */
+ cap_set_flag(cap, CAP_INHERITABLE, num_cap_vals, cap_vals, CAP_CLEAR);
- if((strlen(name) + strlen(domain)) >= sizeof(query))
- return(gethostbyname(name));
+ if (cap_set_proc(cap) == -1) {
+ DEBUG(0, ("set_process_capability: cap_set_proc failed: %s\n",
+ strerror(errno)));
+ cap_free(cap);
+ return False;
+ }
- slprintf(query, sizeof(query)-1, "%s%s", name, domain);
- return(gethostbyname(query));
-#else /* REDUCE_ROOT_DNS_LOOKUPS */
- return(gethostbyname(name));
-#endif /* REDUCE_ROOT_DNS_LOOKUPS */
+ cap_free(cap);
+ return True;
}
+#endif /* HAVE_POSIX_CAPABILITIES */
-#if defined(HAVE_IRIX_SPECIFIC_CAPABILITIES)
-/**************************************************************************
- Try and abstract process capabilities (for systems that have them).
+/****************************************************************************
+ Gain the oplock capability from the kernel if possible.
****************************************************************************/
-static BOOL set_process_capability( uint32 cap_flag, BOOL enable )
-{
- if(cap_flag == KERNEL_OPLOCK_CAPABILITY) {
- cap_t cap = cap_get_proc();
- if (cap == NULL) {
- DEBUG(0,("set_process_capability: cap_get_proc failed. Error was %s\n",
- strerror(errno)));
- return False;
- }
+void set_effective_capability(enum smbd_capability capability)
+{
+#if defined(HAVE_POSIX_CAPABILITIES)
+ set_process_capability(capability, True);
+#endif /* HAVE_POSIX_CAPABILITIES */
+}
- if(enable)
- cap->cap_effective |= CAP_NETWORK_MGT;
- else
- cap->cap_effective &= ~CAP_NETWORK_MGT;
-
- if (cap_set_proc(cap) == -1) {
- DEBUG(0,("set_process_capability: cap_set_proc failed. Error was %s\n",
- strerror(errno)));
- cap_free(cap);
- return False;
- }
-
- cap_free(cap);
-
- DEBUG(10,("set_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n"));
- }
- return True;
-}
-
-/**************************************************************************
- Try and abstract inherited process capabilities (for systems that have them).
-****************************************************************************/
-
-static BOOL set_inherited_process_capability( uint32 cap_flag, BOOL enable )
-{
- if(cap_flag == KERNEL_OPLOCK_CAPABILITY) {
- cap_t cap = cap_get_proc();
-
- if (cap == NULL) {
- DEBUG(0,("set_inherited_process_capability: cap_get_proc failed. Error was %s\n",
- strerror(errno)));
- return False;
- }
-
- if(enable)
- cap->cap_inheritable |= CAP_NETWORK_MGT;
- else
- cap->cap_inheritable &= ~CAP_NETWORK_MGT;
-
- if (cap_set_proc(cap) == -1) {
- DEBUG(0,("set_inherited_process_capability: cap_set_proc failed. Error was %s\n",
- strerror(errno)));
- cap_free(cap);
- return False;
- }
-
- cap_free(cap);
-
- DEBUG(10,("set_inherited_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n"));
- }
- return True;
-}
-#endif
-
-/****************************************************************************
- Gain the oplock capability from the kernel if possible.
-****************************************************************************/
-
-void oplock_set_capability(BOOL this_process, BOOL inherit)
+void drop_effective_capability(enum smbd_capability capability)
{
-#if HAVE_KERNEL_OPLOCKS_IRIX
- set_process_capability(KERNEL_OPLOCK_CAPABILITY,this_process);
- set_inherited_process_capability(KERNEL_OPLOCK_CAPABILITY,inherit);
-#endif
+#if defined(HAVE_POSIX_CAPABILITIES)
+ set_process_capability(capability, False);
+#endif /* HAVE_POSIX_CAPABILITIES */
}
/**************************************************************************
}
/**************************************************************************
- Wrapper for getgroups. Deals with broken (int) case.
+ Wrap setgroups and getgroups for systems that declare getgroups() as
+ returning an array of gid_t, but actuall return an array of int.
****************************************************************************/
-int sys_getgroups(int setlen, gid_t *gidset)
+#if defined(HAVE_BROKEN_GETGROUPS)
+static int sys_broken_getgroups(int setlen, gid_t *gidset)
{
-#if !defined(HAVE_BROKEN_GETGROUPS)
- return getgroups(setlen, gidset);
-#else
-
GID_T gid;
GID_T *group_list;
int i, ngroups;
if (setlen == 0)
setlen = groups_max();
- if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
+ if((group_list = SMB_MALLOC_ARRAY(GID_T, setlen)) == NULL) {
DEBUG(0,("sys_getgroups: Malloc fail.\n"));
return -1;
}
SAFE_FREE(group_list);
return ngroups;
-#endif /* HAVE_BROKEN_GETGROUPS */
}
-#ifdef HAVE_SETGROUPS
-
-/**************************************************************************
- Wrapper for setgroups. Deals with broken (int) case. Automatically used
- if we have broken getgroups.
-****************************************************************************/
-
-int sys_setgroups(int setlen, gid_t *gidset)
+static int sys_broken_setgroups(int setlen, gid_t *gidset)
{
-#if !defined(HAVE_BROKEN_GETGROUPS)
- return setgroups(setlen, gidset);
-#else
-
GID_T *group_list;
int i ;
* GID_T array of size setlen.
*/
- if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
+ if((group_list = SMB_MALLOC_ARRAY(GID_T, setlen)) == NULL) {
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 /* HAVE_BROKEN_GETGROUPS */
}
-#endif /* HAVE_SETGROUPS */
+#endif /* HAVE_BROKEN_GETGROUPS */
-/**************************************************************************
- Wrappers for setpwent(), getpwent() and endpwent()
-****************************************************************************/
+/* This is a list of systems that require the first GID passed to setgroups(2)
+ * to be the effective GID. If your system is one of these, add it here.
+ */
+#if defined (FREEBSD) || defined (DARWINOS)
+#define USE_BSD_SETGROUPS
+#endif
-void sys_setpwent(void)
+#if defined(USE_BSD_SETGROUPS)
+/* Depending on the particular BSD implementation, the first GID that is
+ * passed to setgroups(2) will either be ignored or will set the credential's
+ * effective GID. In either case, the right thing to do is to guarantee that
+ * gidset[0] is the effective GID.
+ */
+static int sys_bsd_setgroups(gid_t primary_gid, int setlen, const gid_t *gidset)
{
- setpwent();
-}
+ gid_t *new_gidset = NULL;
+ int max;
+ int ret;
-struct passwd *sys_getpwent(void)
-{
- return getpwent();
-}
+ /* setgroups(2) will fail with EINVAL if we pass too many groups. */
+ max = groups_max();
-void sys_endpwent(void)
-{
- endpwent();
-}
+ /* No group list, just make sure we are setting the efective GID. */
+ if (setlen == 0) {
+ return setgroups(1, &primary_gid);
+ }
-/**************************************************************************
- Wrappers for getpwnam(), getpwuid(), getgrnam(), getgrgid()
-****************************************************************************/
+ /* If the primary gid is not the first array element, grow the array
+ * and insert it at the front.
+ */
+ if (gidset[0] != primary_gid) {
+ new_gidset = SMB_MALLOC_ARRAY(gid_t, setlen + 1);
+ if (new_gidset == NULL) {
+ return -1;
+ }
+
+ memcpy(new_gidset + 1, gidset, (setlen * sizeof(gid_t)));
+ new_gidset[0] = primary_gid;
+ setlen++;
+ }
-struct passwd *sys_getpwnam(const char *name)
-{
- return getpwnam(name);
-}
+ if (setlen > max) {
+ DEBUG(3, ("forced to truncate group list from %d to %d\n",
+ setlen, max));
+ setlen = max;
+ }
-struct passwd *sys_getpwuid(uid_t uid)
-{
- return getpwuid(uid);
-}
+#if defined(HAVE_BROKEN_GETGROUPS)
+ ret = sys_broken_setgroups(setlen, new_gidset ? new_gidset : gidset);
+#else
+ ret = setgroups(setlen, new_gidset ? new_gidset : gidset);
+#endif
-struct group *sys_getgrnam(const char *name)
-{
- return getgrnam(name);
-}
+ if (new_gidset) {
+ int errsav = errno;
+ SAFE_FREE(new_gidset);
+ errno = errsav;
+ }
-struct group *sys_getgrgid(gid_t gid)
-{
- return getgrgid(gid);
+ return ret;
}
-#if 0 /* NOT CURRENTLY USED - JRA */
-/**************************************************************************
- The following are the UNICODE versions of *all* system interface functions
- called within Samba. Ok, ok, the exceptions are the gethostbyXX calls,
- which currently are left as ascii as they are not used other than in name
- resolution.
-****************************************************************************/
-
-/**************************************************************************
- Wide stat. Just narrow and call sys_xxx.
-****************************************************************************/
-
-int wsys_stat(const smb_ucs2_t *wfname,SMB_STRUCT_STAT *sbuf)
-{
- pstring fname;
- return sys_stat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
-}
+#endif /* USE_BSD_SETGROUPS */
/**************************************************************************
- Wide lstat. Just narrow and call sys_xxx.
+ Wrapper for getgroups. Deals with broken (int) case.
****************************************************************************/
-int wsys_lstat(const smb_ucs2_t *wfname,SMB_STRUCT_STAT *sbuf)
+int sys_getgroups(int setlen, gid_t *gidset)
{
- pstring fname;
- return sys_lstat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
+#if defined(HAVE_BROKEN_GETGROUPS)
+ return sys_broken_getgroups(setlen, gidset);
+#else
+ return getgroups(setlen, gidset);
+#endif
}
/**************************************************************************
- Wide creat. Just narrow and call sys_xxx.
+ Wrapper for setgroups. Deals with broken (int) case and BSD case.
****************************************************************************/
-int wsys_creat(const smb_ucs2_t *wfname, mode_t mode)
+int sys_setgroups(gid_t UNUSED(primary_gid), int setlen, gid_t *gidset)
{
- pstring fname;
- return sys_creat(unicode_to_unix(fname,wfname,sizeof(fname)), mode);
-}
-
-/**************************************************************************
- Wide open. Just narrow and call sys_xxx.
-****************************************************************************/
+#if !defined(HAVE_SETGROUPS)
+ errno = ENOSYS;
+ return -1;
+#endif /* HAVE_SETGROUPS */
-int wsys_open(const smb_ucs2_t *wfname, int oflag, mode_t mode)
-{
- pstring fname;
- return sys_open(unicode_to_unix(fname,wfname,sizeof(fname)), oflag, mode);
+#if defined(USE_BSD_SETGROUPS)
+ return sys_bsd_setgroups(primary_gid, setlen, gidset);
+#elif defined(HAVE_BROKEN_GETGROUPS)
+ return sys_broken_setgroups(setlen, gidset);
+#else
+ return setgroups(setlen, gidset);
+#endif
}
/**************************************************************************
- Wide fopen. Just narrow and call sys_xxx.
+ Wrappers for setpwent(), getpwent() and endpwent()
****************************************************************************/
-FILE *wsys_fopen(const smb_ucs2_t *wfname, const char *type)
+void sys_setpwent(void)
{
- pstring fname;
- return sys_fopen(unicode_to_unix(fname,wfname,sizeof(fname)), type);
+ setpwent();
}
-/**************************************************************************
- Wide opendir. Just narrow and call sys_xxx.
-****************************************************************************/
-
-DIR *wsys_opendir(const smb_ucs2_t *wfname)
+struct passwd *sys_getpwent(void)
{
- pstring fname;
- return opendir(unicode_to_unix(fname,wfname,sizeof(fname)));
+ return getpwent();
}
-/**************************************************************************
- Wide readdir. Return a structure pointer containing a wide filename.
-****************************************************************************/
-
-SMB_STRUCT_WDIRENT *wsys_readdir(DIR *dirp)
+void sys_endpwent(void)
{
- static SMB_STRUCT_WDIRENT retval;
- SMB_STRUCT_DIRENT *dirval = sys_readdir(dirp);
-
- if(!dirval)
- return NULL;
-
- /*
- * The only POSIX defined member of this struct is d_name.
- */
-
- unix_to_unicode(retval.d_name,dirval->d_name,sizeof(retval.d_name));
-
- return &retval;
+ endpwent();
}
/**************************************************************************
- Wide getwd. Call sys_xxx and widen. Assumes s points to a wpstring.
+ Wrappers for getpwnam(), getpwuid(), getgrnam(), getgrgid()
****************************************************************************/
-smb_ucs2_t *wsys_getwd(smb_ucs2_t *s)
-{
- pstring fname;
- char *p = sys_getwd(fname);
-
- if(!p)
- return NULL;
-
- return unix_to_unicode(s, p, sizeof(wpstring));
-}
-
-/**************************************************************************
- Wide chown. Just narrow and call sys_xxx.
-****************************************************************************/
-int wsys_chown(const smb_ucs2_t *wfname, uid_t uid, gid_t gid)
+struct passwd *sys_getpwnam(const char *name)
{
- pstring fname;
- return chown(unicode_to_unix(fname,wfname,sizeof(fname)), uid, gid);
+ return getpwnam(name);
}
-/**************************************************************************
- Wide chroot. Just narrow and call sys_xxx.
-****************************************************************************/
-
-int wsys_chroot(const smb_ucs2_t *wfname)
+struct passwd *sys_getpwuid(uid_t uid)
{
- pstring fname;
- return chroot(unicode_to_unix(fname,wfname,sizeof(fname)));
+ return getpwuid(uid);
}
-/**************************************************************************
- Wide getpwnam. Return a structure pointer containing wide names.
-****************************************************************************/
-
-SMB_STRUCT_WPASSWD *wsys_getpwnam(const smb_ucs2_t *wname)
+struct group *sys_getgrnam(const char *name)
{
- static SMB_STRUCT_WPASSWD retval;
- fstring name;
- struct passwd *pwret = sys_getpwnam(unicode_to_unix(name,wname,sizeof(name)));
-
- if(!pwret)
- return NULL;
-
- unix_to_unicode(retval.pw_name, pwret->pw_name, sizeof(retval.pw_name));
- retval.pw_passwd = pwret->pw_passwd;
- retval.pw_uid = pwret->pw_uid;
- retval.pw_gid = pwret->pw_gid;
- unix_to_unicode(retval.pw_gecos, pwret->pw_gecos, sizeof(retval.pw_gecos));
- unix_to_unicode(retval.pw_dir, pwret->pw_dir, sizeof(retval.pw_dir));
- unix_to_unicode(retval.pw_shell, pwret->pw_shell, sizeof(retval.pw_shell));
-
- return &retval;
+ return getgrnam(name);
}
-/**************************************************************************
- Wide getpwuid. Return a structure pointer containing wide names.
-****************************************************************************/
-
-SMB_STRUCT_WPASSWD *wsys_getpwuid(uid_t uid)
+struct group *sys_getgrgid(gid_t gid)
{
- static SMB_STRUCT_WPASSWD retval;
- struct passwd *pwret = sys_getpwuid(uid);
-
- if(!pwret)
- return NULL;
-
- unix_to_unicode(retval.pw_name, pwret->pw_name, sizeof(retval.pw_name));
- retval.pw_passwd = pwret->pw_passwd;
- retval.pw_uid = pwret->pw_uid;
- retval.pw_gid = pwret->pw_gid;
- unix_to_unicode(retval.pw_gecos, pwret->pw_gecos, sizeof(retval.pw_gecos));
- unix_to_unicode(retval.pw_dir, pwret->pw_dir, sizeof(retval.pw_dir));
- unix_to_unicode(retval.pw_shell, pwret->pw_shell, sizeof(retval.pw_shell));
-
- return &retval;
+ return getgrgid(gid);
}
-#endif /* NOT CURRENTLY USED - JRA */
/**************************************************************************
- Extract a command into an arg list. Uses a static pstring for storage.
- Caller frees returned arg list (which contains pointers into the static pstring).
+ Extract a command into an arg list.
****************************************************************************/
-static char **extract_args(const char *command)
+static char **extract_args(TALLOC_CTX *mem_ctx, const char *command)
{
- static pstring trunc_cmd;
+ char *trunc_cmd;
+ char *saveptr;
char *ptr;
int argcl;
char **argl = NULL;
int i;
- pstrcpy(trunc_cmd, command);
+ if (!(trunc_cmd = talloc_strdup(mem_ctx, command))) {
+ DEBUG(0, ("talloc failed\n"));
+ goto nomem;
+ }
- if(!(ptr = strtok(trunc_cmd, " \t"))) {
+ if(!(ptr = strtok_r(trunc_cmd, " \t", &saveptr))) {
+ TALLOC_FREE(trunc_cmd);
errno = EINVAL;
return NULL;
}
* Count the args.
*/
- for( argcl = 1; ptr; ptr = strtok(NULL, " \t"))
+ for( argcl = 1; ptr; ptr = strtok_r(NULL, " \t", &saveptr))
argcl++;
- if((argl = (char **)malloc((argcl + 1) * sizeof(char *))) == NULL)
- return NULL;
+ TALLOC_FREE(trunc_cmd);
+
+ if (!(argl = TALLOC_ARRAY(mem_ctx, char *, argcl + 1))) {
+ goto nomem;
+ }
/*
* Now do the extraction.
*/
- pstrcpy(trunc_cmd, command);
+ if (!(trunc_cmd = talloc_strdup(mem_ctx, command))) {
+ goto nomem;
+ }
- ptr = strtok(trunc_cmd, " \t");
+ ptr = strtok_r(trunc_cmd, " \t", &saveptr);
i = 0;
- argl[i++] = ptr;
- while((ptr = strtok(NULL, " \t")) != NULL)
- argl[i++] = ptr;
-
- argl[i++] = NULL;
- return argl;
-}
-
-/**************************************************************************
- 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;
+ if (!(argl[i++] = talloc_strdup(argl, ptr))) {
+ goto nomem;
+ }
- return forkret;
-}
+ while((ptr = strtok_r(NULL, " \t", &saveptr)) != NULL) {
-/**************************************************************************
- Wrapper for getpid. Ensures we only do a system call *once*.
-****************************************************************************/
+ if (!(argl[i++] = talloc_strdup(argl, ptr))) {
+ goto nomem;
+ }
+ }
-pid_t sys_getpid(void)
-{
- if (mypid == (pid_t)-1)
- mypid = getpid();
+ argl[i++] = NULL;
+ return argl;
- return mypid;
+ nomem:
+ DEBUG(0, ("talloc failed\n"));
+ TALLOC_FREE(trunc_cmd);
+ TALLOC_FREE(argl);
+ errno = ENOMEM;
+ return NULL;
}
/**************************************************************************
goto err_exit;
}
- if((entry = (popen_list *)malloc(sizeof(popen_list))) == NULL)
+ if((entry = SMB_MALLOC_P(popen_list)) == NULL)
goto err_exit;
ZERO_STRUCTP(entry);
* Extract the command and args into a NULL terminated array.
*/
- if(!(argl = extract_args(command)))
+ if(!(argl = extract_args(NULL, command)))
goto err_exit;
entry->child_pid = sys_fork();
*/
close (child_end);
- SAFE_FREE(argl);
+ TALLOC_FREE(argl);
/* Link into popen_chain. */
entry->next = popen_chain;
}
/**************************************************************************
- Wrappers for dlopen, dlsym, dlclose.
+ Wrapper for Admin Logs.
****************************************************************************/
-void *sys_dlopen(const char *name, int flags)
+ void sys_adminlog(int priority, const char *format_str, ...)
{
-#if defined(HAVE_DLOPEN)
- return dlopen(name, flags);
+ va_list ap;
+ int ret;
+ char *msgbuf = NULL;
+
+ va_start( ap, format_str );
+ ret = vasprintf( &msgbuf, format_str, ap );
+ va_end( ap );
+
+ if (ret == -1)
+ return;
+
+#if defined(HAVE_SYSLOG)
+ syslog( priority, "%s", msgbuf );
#else
- return NULL;
+ DEBUG(0,("%s", msgbuf ));
#endif
+ SAFE_FREE(msgbuf);
}
-void *sys_dlsym(void *handle, const char *symbol)
+/******** Solaris EA helper function prototypes ********/
+#ifdef HAVE_ATTROPEN
+#define SOLARIS_ATTRMODE S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP
+static int solaris_write_xattr(int attrfd, const char *value, size_t size);
+static ssize_t solaris_read_xattr(int attrfd, void *value, size_t size);
+static ssize_t solaris_list_xattr(int attrdirfd, char *list, size_t size);
+static int solaris_unlinkat(int attrdirfd, const char *name);
+static int solaris_attropen(const char *path, const char *attrpath, int oflag, mode_t mode);
+static int solaris_openat(int fildes, const char *path, int oflag, mode_t mode);
+#endif
+
+/**************************************************************************
+ Wrappers for extented attribute calls. Based on the Linux package with
+ support for IRIX and (Net|Free)BSD also. Expand as other systems have them.
+****************************************************************************/
+
+ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size)
{
-#if defined(HAVE_DLSYM)
- return dlsym(handle, symbol);
+#if defined(HAVE_GETXATTR)
+#ifndef XATTR_ADD_OPT
+ return getxattr(path, name, value, size);
#else
- return NULL;
+ int options = 0;
+ return getxattr(path, name, value, size, 0, options);
#endif
-}
+#elif defined(HAVE_GETEA)
+ return getea(path, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_FILE)
+ char *s;
+ ssize_t retval;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+ /*
+ * The BSD implementation has a nasty habit of silently truncating
+ * the returned value to the size of the buffer, so we have to check
+ * that the buffer is large enough to fit the returned value.
+ */
+ if((retval=extattr_get_file(path, attrnamespace, attrname, NULL, 0)) >= 0) {
+ if(retval > size) {
+ errno = ERANGE;
+ return -1;
+ }
+ if((retval=extattr_get_file(path, attrnamespace, attrname, value, size)) >= 0)
+ return retval;
+ }
-int sys_dlclose (void *handle)
-{
-#if defined(HAVE_DLCLOSE)
- return dlclose(handle);
+ DEBUG(10,("sys_getxattr: extattr_get_file() failed with: %s\n", strerror(errno)));
+ return -1;
+#elif defined(HAVE_ATTR_GET)
+ 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);
+
+ return retval ? retval : valuelength;
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrfd = solaris_attropen(path, name, O_RDONLY, 0);
+ if (attrfd >= 0) {
+ ret = solaris_read_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
#else
- return 0;
+ errno = ENOSYS;
+ return -1;
#endif
}
-const char *sys_dlerror(void)
-{
-#if defined(HAVE_DLERROR)
- return dlerror();
+ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t size)
+{
+#if defined(HAVE_LGETXATTR)
+ return lgetxattr(path, name, value, size);
+#elif defined(HAVE_GETXATTR) && defined(XATTR_ADD_OPT)
+ int options = XATTR_NOFOLLOW;
+ return getxattr(path, name, value, size, 0, options);
+#elif defined(HAVE_LGETEA)
+ return lgetea(path, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_LINK)
+ char *s;
+ ssize_t retval;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ if((retval=extattr_get_link(path, attrnamespace, attrname, NULL, 0)) >= 0) {
+ if(retval > size) {
+ errno = ERANGE;
+ return -1;
+ }
+ 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);
+
+ return retval ? retval : valuelength;
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrfd = solaris_attropen(path, name, O_RDONLY|AT_SYMLINK_NOFOLLOW, 0);
+ if (attrfd >= 0) {
+ ret = solaris_read_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
#else
- return NULL;
+ errno = ENOSYS;
+ return -1;
#endif
}
-int sys_dup2(int oldfd, int newfd)
+ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size)
{
-#if defined(HAVE_DUP2)
- return dup2(oldfd, newfd);
+#if defined(HAVE_FGETXATTR)
+#ifndef XATTR_ADD_OPT
+ return fgetxattr(filedes, name, value, size);
+#else
+ int options = 0;
+ return fgetxattr(filedes, name, value, size, 0, options);
+#endif
+#elif defined(HAVE_FGETEA)
+ return fgetea(filedes, name, value, size);
+#elif defined(HAVE_EXTATTR_GET_FD)
+ char *s;
+ ssize_t retval;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ if((retval=extattr_get_fd(filedes, attrnamespace, attrname, NULL, 0)) >= 0) {
+ if(retval > size) {
+ errno = ERANGE;
+ return -1;
+ }
+ 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 retval ? retval : valuelength;
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrfd = solaris_openat(filedes, name, O_RDONLY|O_XATTR, 0);
+ if (attrfd >= 0) {
+ ret = solaris_read_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
#else
errno = ENOSYS;
return -1;
#endif
}
-/**************************************************************************
- Wrapper for Admin Logs.
-****************************************************************************/
-
- void sys_adminlog(int priority, const char *format_str, ...)
+#if defined(HAVE_EXTATTR_LIST_FILE)
+
+#define EXTATTR_PREFIX(s) (s), (sizeof((s))-1)
+
+static struct {
+ int space;
+ const char *name;
+ size_t len;
+}
+extattr[] = {
+ { EXTATTR_NAMESPACE_SYSTEM, EXTATTR_PREFIX("system.") },
+ { EXTATTR_NAMESPACE_USER, EXTATTR_PREFIX("user.") },
+};
+
+typedef union {
+ const char *path;
+ int filedes;
+} extattr_arg;
+
+static ssize_t bsd_attr_list (int type, extattr_arg arg, char *list, size_t size)
+{
+ ssize_t list_size, total_size = 0;
+ int i, t, len;
+ char *buf;
+ /* Iterate through extattr(2) namespaces */
+ for(t = 0; t < (sizeof(extattr)/sizeof(extattr[0])); t++) {
+ switch(type) {
+#if defined(HAVE_EXTATTR_LIST_FILE)
+ case 0:
+ list_size = extattr_list_file(arg.path, extattr[t].space, list, size);
+ break;
+#endif
+#if defined(HAVE_EXTATTR_LIST_LINK)
+ case 1:
+ list_size = extattr_list_link(arg.path, extattr[t].space, list, size);
+ break;
+#endif
+#if defined(HAVE_EXTATTR_LIST_FD)
+ case 2:
+ list_size = extattr_list_fd(arg.filedes, extattr[t].space, list, size);
+ break;
+#endif
+ default:
+ errno = ENOSYS;
+ return -1;
+ }
+ /* Some error happend. Errno should be set by the previous call */
+ if(list_size < 0)
+ return -1;
+ /* No attributes */
+ if(list_size == 0)
+ continue;
+ /* XXX: Call with an empty buffer may be used to calculate
+ necessary buffer size. Unfortunately, we can't say, how
+ many attributes were returned, so here is the potential
+ problem with the emulation.
+ */
+ if(list == NULL) {
+ /* Take the worse case of one char attribute names -
+ two bytes per name plus one more for sanity.
+ */
+ total_size += list_size + (list_size/2 + 1)*extattr[t].len;
+ continue;
+ }
+ /* Count necessary offset to fit namespace prefixes */
+ len = 0;
+ for(i = 0; i < list_size; i += list[i] + 1)
+ len += extattr[t].len;
+
+ total_size += list_size + len;
+ /* Buffer is too small to fit the results */
+ if(total_size > size) {
+ errno = ERANGE;
+ return -1;
+ }
+ /* Shift results back, so we can prepend prefixes */
+ buf = memmove(list + len, list, list_size);
+
+ for(i = 0; i < list_size; i += len + 1) {
+ len = buf[i];
+ strncpy(list, extattr[t].name, extattr[t].len + 1);
+ list += extattr[t].len;
+ strncpy(list, buf + i + 1, len);
+ list[len] = '\0';
+ list += len + 1;
+ }
+ size -= total_size;
+ }
+ return total_size;
+}
+
+#endif
+
+#if defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
+static char attr_buffer[ATTR_MAX_VALUELEN];
+
+static ssize_t irix_attr_list(const char *path, int filedes, char *list, size_t size, int flags)
+{
+ int retval = 0, index;
+ attrlist_cursor_t *cursor = 0;
+ int total_size = 0;
+ attrlist_t * al = (attrlist_t *)attr_buffer;
+ attrlist_ent_t *ae;
+ size_t ent_size, left = size;
+ char *bp = list;
+
+ while (True) {
+ if (filedes)
+ retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
+ else
+ retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
+ if (retval) break;
+ for (index = 0; index < al->al_count; index++) {
+ ae = ATTR_ENTRY(attr_buffer, index);
+ ent_size = strlen(ae->a_name) + sizeof("user.");
+ if (left >= ent_size) {
+ strncpy(bp, "user.", sizeof("user."));
+ strncat(bp, ae->a_name, ent_size - sizeof("user."));
+ bp += ent_size;
+ left -= ent_size;
+ } else if (size) {
+ errno = ERANGE;
+ retval = -1;
+ break;
+ }
+ total_size += ent_size;
+ }
+ if (al->al_more == 0) break;
+ }
+ if (retval == 0) {
+ flags |= ATTR_ROOT;
+ cursor = 0;
+ while (True) {
+ if (filedes)
+ retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
+ else
+ retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
+ if (retval) break;
+ for (index = 0; index < al->al_count; index++) {
+ ae = ATTR_ENTRY(attr_buffer, index);
+ ent_size = strlen(ae->a_name) + sizeof("system.");
+ if (left >= ent_size) {
+ strncpy(bp, "system.", sizeof("system."));
+ strncat(bp, ae->a_name, ent_size - sizeof("system."));
+ bp += ent_size;
+ left -= ent_size;
+ } else if (size) {
+ errno = ERANGE;
+ retval = -1;
+ break;
+ }
+ total_size += ent_size;
+ }
+ if (al->al_more == 0) break;
+ }
+ }
+ return (ssize_t)(retval ? retval : total_size);
+}
+
+#endif
+
+ssize_t sys_listxattr (const char *path, char *list, size_t size)
{
- va_list ap;
+#if defined(HAVE_LISTXATTR)
+#ifndef XATTR_ADD_OPT
+ return listxattr(path, list, size);
+#else
+ int options = 0;
+ return listxattr(path, list, size, options);
+#endif
+#elif defined(HAVE_LISTEA)
+ return listea(path, list, size);
+#elif defined(HAVE_EXTATTR_LIST_FILE)
+ extattr_arg arg;
+ arg.path = path;
+ return bsd_attr_list(0, arg, list, size);
+#elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
+ return irix_attr_list(path, 0, list, size, 0);
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrdirfd = solaris_attropen(path, ".", O_RDONLY, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_list_xattr(attrdirfd, list, size);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+ssize_t sys_llistxattr (const char *path, char *list, size_t size)
+{
+#if defined(HAVE_LLISTXATTR)
+ return llistxattr(path, list, size);
+#elif defined(HAVE_LISTXATTR) && defined(XATTR_ADD_OPT)
+ int options = XATTR_NOFOLLOW;
+ return listxattr(path, list, size, options);
+#elif defined(HAVE_LLISTEA)
+ return llistea(path, list, size);
+#elif defined(HAVE_EXTATTR_LIST_LINK)
+ extattr_arg arg;
+ arg.path = path;
+ return bsd_attr_list(1, arg, list, size);
+#elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
+ return irix_attr_list(path, 0, list, size, ATTR_DONTFOLLOW);
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrdirfd = solaris_attropen(path, ".", O_RDONLY|AT_SYMLINK_NOFOLLOW, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_list_xattr(attrdirfd, list, size);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+ssize_t sys_flistxattr (int filedes, char *list, size_t size)
+{
+#if defined(HAVE_FLISTXATTR)
+#ifndef XATTR_ADD_OPT
+ return flistxattr(filedes, list, size);
+#else
+ int options = 0;
+ return flistxattr(filedes, list, size, options);
+#endif
+#elif defined(HAVE_FLISTEA)
+ return flistea(filedes, list, size);
+#elif defined(HAVE_EXTATTR_LIST_FD)
+ extattr_arg arg;
+ arg.filedes = filedes;
+ return bsd_attr_list(2, arg, list, size);
+#elif defined(HAVE_ATTR_LISTF)
+ return irix_attr_list(NULL, filedes, list, size, 0);
+#elif defined(HAVE_ATTROPEN)
+ ssize_t ret = -1;
+ int attrdirfd = solaris_openat(filedes, ".", O_RDONLY|O_XATTR, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_list_xattr(attrdirfd, list, size);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_removexattr (const char *path, const char *name)
+{
+#if defined(HAVE_REMOVEXATTR)
+#ifndef XATTR_ADD_OPT
+ return removexattr(path, name);
+#else
+ int options = 0;
+ return removexattr(path, name, options);
+#endif
+#elif defined(HAVE_REMOVEEA)
+ return removeea(path, name);
+#elif defined(HAVE_EXTATTR_DELETE_FILE)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_file(path, attrnamespace, attrname);
+#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_ATTROPEN)
+ int ret = -1;
+ int attrdirfd = solaris_attropen(path, ".", O_RDONLY, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_unlinkat(attrdirfd, name);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_lremovexattr (const char *path, const char *name)
+{
+#if defined(HAVE_LREMOVEXATTR)
+ return lremovexattr(path, name);
+#elif defined(HAVE_REMOVEXATTR) && defined(XATTR_ADD_OPT)
+ int options = XATTR_NOFOLLOW;
+ return removexattr(path, name, options);
+#elif defined(HAVE_LREMOVEEA)
+ return lremoveea(path, name);
+#elif defined(HAVE_EXTATTR_DELETE_LINK)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_link(path, attrnamespace, attrname);
+#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_ATTROPEN)
+ int ret = -1;
+ int attrdirfd = solaris_attropen(path, ".", O_RDONLY|AT_SYMLINK_NOFOLLOW, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_unlinkat(attrdirfd, name);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_fremovexattr (int filedes, const char *name)
+{
+#if defined(HAVE_FREMOVEXATTR)
+#ifndef XATTR_ADD_OPT
+ return fremovexattr(filedes, name);
+#else
+ int options = 0;
+ return fremovexattr(filedes, name, options);
+#endif
+#elif defined(HAVE_FREMOVEEA)
+ return fremoveea(filedes, name);
+#elif defined(HAVE_EXTATTR_DELETE_FD)
+ char *s;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+
+ return extattr_delete_fd(filedes, attrnamespace, attrname);
+#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_ATTROPEN)
+ int ret = -1;
+ int attrdirfd = solaris_openat(filedes, ".", O_RDONLY|O_XATTR, 0);
+ if (attrdirfd >= 0) {
+ ret = solaris_unlinkat(attrdirfd, name);
+ close(attrdirfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags)
+{
+#if defined(HAVE_SETXATTR)
+#ifndef XATTR_ADD_OPT
+ return setxattr(path, name, value, size, flags);
+#else
+ int options = 0;
+ return setxattr(path, name, value, size, 0, options);
+#endif
+#elif defined(HAVE_SETEA)
+ return setea(path, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_FILE)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+ if (flags) {
+ /* Check attribute existence */
+ retval = extattr_get_file(path, attrnamespace, attrname, NULL, 0);
+ if (retval < 0) {
+ /* REPLACE attribute, that doesn't exist */
+ if (flags & XATTR_REPLACE && errno == ENOATTR) {
+ errno = ENOATTR;
+ return -1;
+ }
+ /* Ignore other errors */
+ }
+ else {
+ /* CREATE attribute, that already exists */
+ if (flags & XATTR_CREATE) {
+ errno = EEXIST;
+ return -1;
+ }
+ }
+ }
+ retval = extattr_set_file(path, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
+#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;
+
+ return attr_set(path, attrname, (const char *)value, size, myflags);
+#elif defined(HAVE_ATTROPEN)
+ int ret = -1;
+ int myflags = O_RDWR;
+ int attrfd;
+ if (flags & XATTR_CREATE) myflags |= O_EXCL;
+ if (!(flags & XATTR_REPLACE)) myflags |= O_CREAT;
+ attrfd = solaris_attropen(path, name, myflags, (mode_t) SOLARIS_ATTRMODE);
+ if (attrfd >= 0) {
+ ret = solaris_write_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags)
+{
+#if defined(HAVE_LSETXATTR)
+ return lsetxattr(path, name, value, size, flags);
+#elif defined(HAVE_SETXATTR) && defined(XATTR_ADD_OPT)
+ int options = XATTR_NOFOLLOW;
+ return setxattr(path, name, value, size, 0, options);
+#elif defined(LSETEA)
+ return lsetea(path, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_LINK)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+ if (flags) {
+ /* Check attribute existence */
+ retval = extattr_get_link(path, attrnamespace, attrname, NULL, 0);
+ if (retval < 0) {
+ /* REPLACE attribute, that doesn't exist */
+ if (flags & XATTR_REPLACE && errno == ENOATTR) {
+ errno = ENOATTR;
+ return -1;
+ }
+ /* Ignore other errors */
+ }
+ else {
+ /* CREATE attribute, that already exists */
+ if (flags & XATTR_CREATE) {
+ errno = EEXIST;
+ return -1;
+ }
+ }
+ }
+
+ retval = extattr_set_link(path, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
+#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;
+
+ return attr_set(path, attrname, (const char *)value, size, myflags);
+#elif defined(HAVE_ATTROPEN)
+ int ret = -1;
+ int myflags = O_RDWR | AT_SYMLINK_NOFOLLOW;
+ int attrfd;
+ if (flags & XATTR_CREATE) myflags |= O_EXCL;
+ if (!(flags & XATTR_REPLACE)) myflags |= O_CREAT;
+ attrfd = solaris_attropen(path, name, myflags, (mode_t) SOLARIS_ATTRMODE);
+ if (attrfd >= 0) {
+ ret = solaris_write_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags)
+{
+#if defined(HAVE_FSETXATTR)
+#ifndef XATTR_ADD_OPT
+ return fsetxattr(filedes, name, value, size, flags);
+#else
+ int options = 0;
+ return fsetxattr(filedes, name, value, size, 0, options);
+#endif
+#elif defined(HAVE_FSETEA)
+ return fsetea(filedes, name, value, size, flags);
+#elif defined(HAVE_EXTATTR_SET_FD)
+ char *s;
+ int retval = 0;
+ int attrnamespace = (strncmp(name, "system", 6) == 0) ?
+ EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
+ const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
+ if (flags) {
+ /* Check attribute existence */
+ retval = extattr_get_fd(filedes, attrnamespace, attrname, NULL, 0);
+ if (retval < 0) {
+ /* REPLACE attribute, that doesn't exist */
+ if (flags & XATTR_REPLACE && errno == ENOATTR) {
+ errno = ENOATTR;
+ return -1;
+ }
+ /* Ignore other errors */
+ }
+ else {
+ /* CREATE attribute, that already exists */
+ if (flags & XATTR_CREATE) {
+ errno = EEXIST;
+ return -1;
+ }
+ }
+ }
+ retval = extattr_set_fd(filedes, attrnamespace, attrname, value, size);
+ return (retval < 0) ? -1 : 0;
+#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;
+
+ return attr_setf(filedes, attrname, (const char *)value, size, myflags);
+#elif defined(HAVE_ATTROPEN)
+ int ret = -1;
+ int myflags = O_RDWR | O_XATTR;
+ int attrfd;
+ if (flags & XATTR_CREATE) myflags |= O_EXCL;
+ if (!(flags & XATTR_REPLACE)) myflags |= O_CREAT;
+ attrfd = solaris_openat(filedes, name, myflags, (mode_t) SOLARIS_ATTRMODE);
+ if (attrfd >= 0) {
+ ret = solaris_write_xattr(attrfd, value, size);
+ close(attrfd);
+ }
+ return ret;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/**************************************************************************
+ helper functions for Solaris' EA support
+****************************************************************************/
+#ifdef HAVE_ATTROPEN
+static ssize_t solaris_read_xattr(int attrfd, void *value, size_t size)
+{
+ struct stat sbuf;
+
+ if (fstat(attrfd, &sbuf) == -1) {
+ errno = ENOATTR;
+ return -1;
+ }
+
+ /* This is to return the current size of the named extended attribute */
+ if (size == 0) {
+ return sbuf.st_size;
+ }
+
+ /* check size and read xattr */
+ if (sbuf.st_size > size) {
+ errno = ERANGE;
+ return -1;
+ }
+
+ return read(attrfd, value, sbuf.st_size);
+}
+
+static ssize_t solaris_list_xattr(int attrdirfd, char *list, size_t size)
+{
+ ssize_t len = 0;
+ DIR *dirp;
+ struct dirent *de;
+ int newfd = dup(attrdirfd);
+ /* CAUTION: The originating file descriptor should not be
+ used again following the call to fdopendir().
+ For that reason we dup() the file descriptor
+ here to make things more clear. */
+ dirp = fdopendir(newfd);
+
+ while ((de = readdir(dirp))) {
+ size_t listlen = strlen(de->d_name);
+ if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
+ /* we don't want "." and ".." here: */
+ DEBUG(10,("skipped EA %s\n",de->d_name));
+ continue;
+ }
+
+ if (size == 0) {
+ /* return the current size of the list of extended attribute names*/
+ len += listlen + 1;
+ } else {
+ /* check size and copy entrieѕ + nul into list. */
+ if ((len + listlen + 1) > size) {
+ errno = ERANGE;
+ len = -1;
+ break;
+ } else {
+ safe_strcpy(list + len, de->d_name, listlen);
+ len += listlen;
+ list[len] = '\0';
+ ++len;
+ }
+ }
+ }
+
+ if (closedir(dirp) == -1) {
+ DEBUG(0,("closedir dirp failed: %s\n",strerror(errno)));
+ return -1;
+ }
+ return len;
+}
+
+static int solaris_unlinkat(int attrdirfd, const char *name)
+{
+ if (unlinkat(attrdirfd, name, 0) == -1) {
+ if (errno == ENOENT) {
+ errno = ENOATTR;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+static int solaris_attropen(const char *path, const char *attrpath, int oflag, mode_t mode)
+{
+ int filedes = attropen(path, attrpath, oflag, mode);
+ if (filedes == -1) {
+ DEBUG(10,("attropen FAILED: path: %s, name: %s, errno: %s\n",path,attrpath,strerror(errno)));
+ if (errno == EINVAL) {
+ errno = ENOTSUP;
+ } else {
+ errno = ENOATTR;
+ }
+ }
+ return filedes;
+}
+
+static int solaris_openat(int fildes, const char *path, int oflag, mode_t mode)
+{
+ int filedes = openat(fildes, path, oflag, mode);
+ if (filedes == -1) {
+ DEBUG(10,("openat FAILED: fd: %d, path: %s, errno: %s\n",filedes,path,strerror(errno)));
+ if (errno == EINVAL) {
+ errno = ENOTSUP;
+ } else {
+ errno = ENOATTR;
+ }
+ }
+ return filedes;
+}
+
+static int solaris_write_xattr(int attrfd, const char *value, size_t size)
+{
+ if ((ftruncate(attrfd, 0) == 0) && (write(attrfd, value, size) == size)) {
+ return 0;
+ } else {
+ DEBUG(10,("solaris_write_xattr FAILED!\n"));
+ return -1;
+ }
+}
+#endif /*HAVE_ATTROPEN*/
+
+
+/****************************************************************************
+ Return the major devicenumber for UNIX extensions.
+****************************************************************************/
+
+uint32 unix_dev_major(SMB_DEV_T dev)
+{
+#if defined(HAVE_DEVICE_MAJOR_FN)
+ return (uint32)major(dev);
+#else
+ 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)
+ return (uint32)minor(dev);
+#else
+ return (uint32)(dev & 0xff);
+#endif
+}
+
+#if defined(WITH_AIO)
+
+/*******************************************************************
+ 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)
+ return aio_read64(aiocb);
+#elif defined(HAVE_AIO_READ)
+ return aio_read(aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ 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)
+ return aio_write64(aiocb);
+#elif defined(HAVE_AIO_WRITE)
+ return aio_write(aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ 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)
+ return aio_return64(aiocb);
+#elif defined(HAVE_AIO_RETURN)
+ return aio_return(aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_cancel wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_CANCEL64)
+ return aio_cancel64(fd, aiocb);
+#elif defined(HAVE_AIO_CANCEL)
+ return aio_cancel(fd, aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_error wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_ERROR64)
+ return aio_error64(aiocb);
+#elif defined(HAVE_AIO_ERROR)
+ return aio_error(aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_fsync wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_FSYNC64)
+ return aio_fsync64(op, aiocb);
+#elif defined(HAVE_AIO_FSYNC)
+ return aio_fsync(op, aiocb);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_fsync wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_SUSPEND64)
+ return aio_suspend64(cblist, n, timeout);
+#elif defined(HAVE_AIO_FSYNC)
+ return aio_suspend(cblist, n, timeout);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+#else /* !WITH_AIO */
+
+int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif /* WITH_AIO */
+
+int sys_getpeereid( int s, uid_t *uid)
+{
+#if defined(HAVE_PEERCRED)
+ struct ucred cred;
+ socklen_t cred_len = sizeof(struct ucred);
int ret;
- char *msgbuf = NULL;
- va_start( ap, format_str );
- ret = vasprintf( &msgbuf, format_str, ap );
- va_end( ap );
+ ret = getsockopt(s, SOL_SOCKET, SO_PEERCRED, (void *)&cred, &cred_len);
+ if (ret != 0) {
+ return -1;
+ }
- if (ret == -1)
- return;
+ if (cred_len != sizeof(struct ucred)) {
+ errno = EINVAL;
+ return -1;
+ }
-#if defined(HAVE_SYSLOG)
- syslog( priority, "%s", msgbuf );
+ *uid = cred.uid;
+ return 0;
#else
- DEBUG(0,("%s", msgbuf ));
+ errno = ENOSYS;
+ return -1;
#endif
- SAFE_FREE(msgbuf);
+}
+
+int sys_getnameinfo(const struct sockaddr *psa,
+ socklen_t salen,
+ char *host,
+ size_t hostlen,
+ char *service,
+ size_t servlen,
+ int flags)
+{
+ /*
+ * For Solaris we must make sure salen is the
+ * correct length for the incoming sa_family.
+ */
+
+ if (salen == sizeof(struct sockaddr_storage)) {
+ salen = sizeof(struct sockaddr_in);
+#if defined(HAVE_IPV6)
+ if (psa->sa_family == AF_INET6) {
+ salen = sizeof(struct sockaddr_in6);
+ }
+#endif
+ }
+ return getnameinfo(psa, salen, host, hostlen, service, servlen, flags);
+}
+
+int sys_connect(int fd, const struct sockaddr * addr)
+{
+ socklen_t salen = -1;
+
+ if (addr->sa_family == AF_INET) {
+ salen = sizeof(struct sockaddr_in);
+ } else if (addr->sa_family == AF_UNIX) {
+ salen = sizeof(struct sockaddr_un);
+ }
+#if defined(HAVE_IPV6)
+ else if (addr->sa_family == AF_INET6) {
+ salen = sizeof(struct sockaddr_in6);
+ }
+#endif
+
+ return connect(fd, addr, salen);
}
git.samba.org / ira / wip.git / blobdiff