lib/system.c

ソースコードを見る。

データ構造
struct	_popen_list
union	extattr_arg
型定義
typedef _popen_list	popen_list
関数
void *	sys_memalign (size_t align, size_t size)
int	sys_usleep (long usecs)
ssize_t	sys_read (int fd, void *buf, size_t count)
ssize_t	sys_write (int fd, const void *buf, size_t count)
ssize_t	sys_pread (int fd, void *buf, size_t count, SMB_OFF_T off)
ssize_t	sys_pwrite (int fd, const void *buf, size_t count, SMB_OFF_T off)
ssize_t	sys_send (int s, const void *msg, size_t len, int flags)
ssize_t	sys_sendto (int s, const void *msg, size_t len, int flags, const struct sockaddr *to, socklen_t tolen)
ssize_t	sys_recv (int fd, void *buf, size_t count, int flags)
ssize_t	sys_recvfrom (int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
int	sys_fcntl_ptr (int fd, int cmd, void *arg)
int	sys_fcntl_long (int fd, int cmd, long arg)
int	sys_stat (const char *fname, SMB_STRUCT_STAT *sbuf)
int	sys_fstat (int fd, SMB_STRUCT_STAT *sbuf)
int	sys_lstat (const char *fname, SMB_STRUCT_STAT *sbuf)
int	sys_ftruncate (int fd, SMB_OFF_T offset)
SMB_OFF_T	sys_lseek (int fd, SMB_OFF_T offset, int whence)
int	sys_fseek (FILE *fp, SMB_OFF_T offset, int whence)
SMB_OFF_T	sys_ftell (FILE *fp)
int	sys_creat (const char *path, mode_t mode)
int	sys_open (const char *path, int oflag, mode_t mode)
FILE *	sys_fopen (const char *path, const char *type)
void	kernel_flock (int fd, uint32 share_mode)
SMB_STRUCT_DIR *	sys_opendir (const char *name)
SMB_STRUCT_DIRENT *	sys_readdir (SMB_STRUCT_DIR *dirp)
void	sys_seekdir (SMB_STRUCT_DIR *dirp, long offset)
long	sys_telldir (SMB_STRUCT_DIR *dirp)
void	sys_rewinddir (SMB_STRUCT_DIR *dirp)
int	sys_closedir (SMB_STRUCT_DIR *dirp)
int	sys_mknod (const char *path, mode_t mode, SMB_DEV_T dev)
char *	sys_realpath (const char *path, char *resolved_path)
int	sys_waitpid (pid_t pid, int *status, int options)
char *	sys_getwd (char *s)
int	sys_symlink (const char *oldpath, const char *newpath)
int	sys_readlink (const char *path, char *buf, size_t bufsiz)
int	sys_link (const char *oldpath, const char *newpath)
int	sys_chown (const char *fname, uid_t uid, gid_t gid)
int	sys_chroot (const char *dname)
hostent *	sys_gethostbyname (const char *name)
static BOOL	set_process_capability (enum smbd_capability capability, BOOL enable)
void	set_effective_capability (enum smbd_capability capability)
void	drop_effective_capability (enum smbd_capability capability)
long	sys_random (void)
void	sys_srandom (unsigned int seed)
int	groups_max (void)
int	sys_getgroups (int setlen, gid_t *gidset)
int	sys_setgroups (int setlen, gid_t *gidset)
void	sys_setpwent (void)
passwd *	sys_getpwent (void)
void	sys_endpwent (void)
passwd *	sys_getpwnam (const char *name)
passwd *	sys_getpwuid (uid_t uid)
void	faked_create_user (const char *name)
group *	sys_getgrnam (const char *name)
group *	sys_getgrgid (gid_t gid)
int	wsys_stat (const smb_ucs2_t *wfname, SMB_STRUCT_STAT *sbuf)
int	wsys_lstat (const smb_ucs2_t *wfname, SMB_STRUCT_STAT *sbuf)
int	wsys_creat (const smb_ucs2_t *wfname, mode_t mode)
int	wsys_open (const smb_ucs2_t *wfname, int oflag, mode_t mode)
FILE *	wsys_fopen (const smb_ucs2_t *wfname, const char *type)
SMB_STRUCT_DIR *	wsys_opendir (const smb_ucs2_t *wfname)
SMB_STRUCT_WDIRENT *	wsys_readdir (SMB_STRUCT_DIR *dirp)
smb_ucs2_t *	wsys_getwd (smb_ucs2_t *s)
int	wsys_chown (const smb_ucs2_t *wfname, uid_t uid, gid_t gid)
int	wsys_chroot (const smb_ucs2_t *wfname)
SMB_STRUCT_WPASSWD *	wsys_getpwnam (const smb_ucs2_t *wname)
SMB_STRUCT_WPASSWD *	wsys_getpwuid (uid_t uid)
static char **	extract_args (const char *command)
pid_t	sys_fork (void)
pid_t	sys_getpid (void)
int	sys_popen (const char *command)
int	sys_pclose (int fd)
void *	sys_dlopen (const char *name, int flags)
void *	sys_dlsym (void *handle, const char *symbol)
int	sys_dlclose (void *handle)
const char *	sys_dlerror (void)
int	sys_dup2 (int oldfd, int newfd)
void	sys_adminlog (int priority, const char *format_str,...)
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)
ssize_t	sys_getxattr (const char *path, const char *name, void *value, size_t size)
ssize_t	sys_lgetxattr (const char *path, const char *name, void *value, size_t size)
ssize_t	sys_fgetxattr (int filedes, const char *name, void *value, size_t size)
static ssize_t	bsd_attr_list (int type, extattr_arg arg, char *list, size_t size)
static ssize_t	irix_attr_list (const char *path, int filedes, char *list, size_t size, int flags)
ssize_t	sys_listxattr (const char *path, char *list, size_t size)
ssize_t	sys_llistxattr (const char *path, char *list, size_t size)
ssize_t	sys_flistxattr (int filedes, char *list, size_t size)
int	sys_removexattr (const char *path, const char *name)
int	sys_lremovexattr (const char *path, const char *name)
int	sys_fremovexattr (int filedes, const char *name)
int	sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags)
int	sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags)
int	sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags)
uint32	unix_dev_major (SMB_DEV_T dev)
uint32	unix_dev_minor (SMB_DEV_T dev)
int	sys_aio_read (SMB_STRUCT_AIOCB *aiocb)
int	sys_aio_write (SMB_STRUCT_AIOCB *aiocb)
ssize_t	sys_aio_return (SMB_STRUCT_AIOCB *aiocb)
int	sys_aio_cancel (int fd, SMB_STRUCT_AIOCB *aiocb)
int	sys_aio_error (const SMB_STRUCT_AIOCB *aiocb)
int	sys_aio_fsync (int op, SMB_STRUCT_AIOCB *aiocb)
int	sys_aio_suspend (const SMB_STRUCT_AIOCB *const cblist[], int n, const struct timespec *timeout)
int	sys_getpeereid (int s, uid_t *uid)
変数
static struct passwd *	fake_pwd
static int	num_fake_pwd
static pid_t	mypid = (pid_t)-1
static popen_list *	popen_chain
struct {
int   space
const char *   name
size_t   len
}	extattr []
static char	attr_buffer [ATTR_MAX_VALUELEN]

---

型定義

typedef struct _popen_list popen_list

---

関数

void* sys_memalign	(	size_t	align,
		size_t	size
	)

system.c の 51 行で定義されています。

参照元 memalign_array().

{
#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
}

int sys_usleep

(

long

usecs

)

system.c の 87 行で定義されています。

参照先 errno.

参照元 _spoolss_open_printer_ex()・startsmbfilepwent()・status_profile_rates()・watch_service_state().

{
#ifndef HAVE_USLEEP
        struct timeval tval;
#endif

        /*
         * We need this braindamage as the glibc usleep
         * is not SPEC1170 complient... grumble... JRA.
         */

        if(usecs < 0 || usecs > 1000000) {
                errno = EINVAL;
                return -1;
        }

#if HAVE_USLEEP
        usleep(usecs);
        return 0;
#else /* HAVE_USLEEP */
        /*
         * Fake it with select...
         */
        tval.tv_sec = 0;
        tval.tv_usec = usecs/1000;
        select(0,NULL,NULL,NULL,&tval);
        return 0;
#endif /* HAVE_USLEEP */
}

ssize_t sys_read	(	int	fd,
		void *	buf,
		size_t	count
	)

system.c の 121 行で定義されています。

参照先 errno.

参照元 read_data()・read_data_until()・read_socket_with_timeout()・rw_callback()・transfer_file()・vfswrap_read().

{
        ssize_t ret;

        do {
                ret = read(fd, buf, count);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

ssize_t sys_write	(	int	fd,
		const void *	buf,
		size_t	count
	)

system.c の 135 行で定義されています。

参照先 errno.

参照元 expect()・rw_callback()・transfer_file()・vfswrap_write()・write_data().

{
        ssize_t ret;

        do {
                ret = write(fd, buf, count);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

ssize_t sys_pread	(	int	fd,
		void *	buf,
		size_t	count,
		SMB_OFF_T	off
	)

system.c の 150 行で定義されています。

参照先 errno.

参照元 prime_cache()・vfswrap_pread().

{
        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;
}

ssize_t sys_pwrite	(	int	fd,
		const void *	buf,
		size_t	count,
		SMB_OFF_T	off
	)

system.c の 170 行で定義されています。

参照先 errno.

参照元 vfswrap_pwrite()・write_data_at_offset().

{
        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;
}

ssize_t sys_send	(	int	s,
		const void *	msg,
		size_t	len,
		int	flags
	)

system.c の 189 行で定義されています。

参照先 errno.

参照元 sys_sendfile().

{
        ssize_t ret;

        do {
                ret = send(s, msg, len, flags);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

ssize_t sys_sendto	(	int	s,
		const void *	msg,
		size_t	len,
		int	flags,
		const struct sockaddr *	to,
		socklen_t	tolen
	)

system.c の 203 行で定義されています。

参照先 errno.

{
        ssize_t ret;

        do {
                ret = sendto(s, msg, len, flags, to, tolen);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

ssize_t sys_recv	(	int	fd,
		void *	buf,
		size_t	count,
		int	flags
	)

system.c の 217 行で定義されています。

参照先 errno.

{
        ssize_t ret;

        do {
                ret = recv(fd, buf, count, flags);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

ssize_t sys_recvfrom	(	int	s,
		void *	buf,
		size_t	len,
		int	flags,
		struct sockaddr *	from,
		socklen_t *	fromlen
	)

system.c の 231 行で定義されています。

参照先 errno.

参照元 read_udp_socket().

{
        ssize_t ret;

        do {
                ret = recvfrom(s, buf, len, flags, from, fromlen);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

int sys_fcntl_ptr	(	int	fd,
		int	cmd,
		void *	arg
	)

system.c の 245 行で定義されています。

参照先 errno.

参照元 fcntl_getlock()・fcntl_lock()・irix_oplock_receive_message().

{
        int ret;

        do {
                ret = fcntl(fd, cmd, arg);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

int sys_fcntl_long	(	int	fd,
		int	cmd,
		long	arg
	)

system.c の 259 行で定義されています。

参照先 errno.

参照元 irix_oplocks_available()・irix_release_kernel_oplock()・irix_set_kernel_oplock()・set_blocking().

{
        int ret;

        do {
                ret = fcntl(fd, cmd, arg);
        } while (ret == -1 && errno == EINTR);
        return ret;
}

int sys_stat	(	const char *	fname,
		SMB_STRUCT_STAT *	sbuf
	)

system.c の 273 行で定義されています。

参照元 cgi_download()・cmd_newer()・directory_exist()・disk_quotas()・file_exist()・file_modtime()・get_file_size()・get_ticket_cache()・load_usershare_service()・net_usershare_add()・parse_usershare_file()・startsmbfilepwent()・sys_path_to_bdev()・vfswrap_stat()・writetarheader()・wsys_stat().

{
        int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
        ret = stat64(fname, sbuf);
#else
        ret = stat(fname, sbuf);
#endif
        /* we always want directories to appear zero size */
        if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
        return ret;
}

int sys_fstat	(	int	fd,
		SMB_STRUCT_STAT *	sbuf
	)

system.c の 290 行で定義されています。

参照元 check_log_size()・check_magic()・fd_load()・info_fn()・net_usershare_add()・print_job_end()・process_usershare_file()・read_block()・regf_hbin_allocate()・startsmbfilepwent()・vfswrap_fstat()・write_block()・writetarheader().

{
        int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FSTAT64)
        ret = fstat64(fd, sbuf);
#else
        ret = fstat(fd, sbuf);
#endif
        /* we always want directories to appear zero size */
        if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
        return ret;
}

int sys_lstat	(	const char *	fname,
		SMB_STRUCT_STAT *	sbuf
	)

system.c の 307 行で定義されています。

参照元 atalk_build_paths()・copy_reg()・count_num_usershares()・get_share_list()・net_usershare_add()・process_usershare_file()・usershare_exists()・vfswrap_lstat()・wsys_lstat().

{
        int ret;
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSTAT64)
        ret = lstat64(fname, sbuf);
#else
        ret = lstat(fname, sbuf);
#endif
        /* we always want directories to appear zero size */
        if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
        return ret;
}

int sys_ftruncate	(	int	fd,
		SMB_OFF_T	offset
	)

system.c の 324 行で定義されています。

参照元 print_fsp_end()・strict_allocate_ftruncate()・vfswrap_ftruncate().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FTRUNCATE64)
        return ftruncate64(fd, offset);
#else
        return ftruncate(fd, offset);
#endif
}

SMB_OFF_T sys_lseek	(	int	fd,
		SMB_OFF_T	offset,
		int	whence
	)

system.c の 337 行で定義されています。

参照元 do_get()・smbrun_internal()・vfswrap_lseek()・write_data_at_offset()・x_tseek().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSEEK64)
        return lseek64(fd, offset, whence);
#else
        return lseek(fd, offset, whence);
#endif
}

int sys_fseek	(	FILE *	fp,
		SMB_OFF_T	offset,
		int	whence
	)

system.c の 350 行で定義されています。

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEK64)
        return fseek64(fp, offset, whence);
#elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEKO64)
        return fseeko64(fp, offset, whence);
#else
        return fseek(fp, offset, whence);
#endif
}

SMB_OFF_T sys_ftell

(

FILE *

fp

)

system.c の 365 行で定義されています。

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FTELL64)
        return (SMB_OFF_T)ftell64(fp);
#elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FTELLO64)
        return (SMB_OFF_T)ftello64(fp);
#else
        return (SMB_OFF_T)ftell(fp);
#endif
}

int sys_creat	(	const char *	path,
		mode_t	mode
	)

system.c の 380 行で定義されています。

参照先 sys_open().

参照元 writetarheader()・wsys_creat().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_CREAT64)
        return creat64(path, mode);
#else
        /*
         * If creat64 isn't defined then ensure we call a potential open64.
         * JRA.
         */
        return sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode);
#endif
}

int sys_open	(	const char *	path,
		int	oflag,
		mode_t	mode
	)

system.c の 397 行で定義されています。

参照元 become_daemon()・close_low_fds()・copy_reg()・disk_quotas_vxfs()・do_filehash()・do_get()・do_reseed()・dochild()・findpty()・get_password_file()・gpo_copy_file()・info_fn()・irix_oplocks_available()・pidfile_create()・pidfile_pid()・process_usershare_file()・startsmbfilepwent()・sys_creat()・vfswrap_open()・web_open()・writetarheader()・wsys_open()・x_fopen().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OPEN64)
        return open64(path, oflag, mode);
#else
        return open(path, oflag, mode);
#endif
}

FILE* sys_fopen	(	const char *	path,
		const char *	type
	)

system.c の 410 行で定義されています。

参照元 read_credentials_file()・save_reload()・startsmbfilepwent()・wsys_fopen().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_FOPEN64)
        return fopen64(path, type);
#else
        return fopen(path, type);
#endif
}

void kernel_flock	(	int	fd,
		uint32	share_mode
	)

system.c の 424 行で定義されています。

参照元 vfs_gpfs_kernel_flock()・vfswrap_kernel_flock().

{
#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
        ;
}

SMB_STRUCT_DIR* sys_opendir

(

const char *

name

)

system.c の 448 行で定義されています。

参照先 opendir()・opendir64().

参照元 atalk_rrmdir()・count_num_usershares()・file_find()・findpty()・get_share_list()・get_ticket_cache()・net_usershare()・parse_usershare_file()・vfswrap_opendir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OPENDIR64)
        return opendir64(name);
#else
        return opendir(name);
#endif
}

SMB_STRUCT_DIRENT* sys_readdir

(

SMB_STRUCT_DIR *

dirp

)

system.c の 461 行で定義されています。

参照先 readdir()・readdir64().

参照元 atalk_rrmdir()・count_num_usershares()・get_share_list()・get_ticket_cache()・readdirname()・vfswrap_readdir()・wsys_readdir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_READDIR64)
        return readdir64(dirp);
#else
        return readdir(dirp);
#endif
}

void sys_seekdir	(	SMB_STRUCT_DIR *	dirp,
		long	offset
	)

system.c の 474 行で定義されています。

参照先 seekdir()・seekdir64().

参照元 vfswrap_seekdir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_SEEKDIR64)
        seekdir64(dirp, offset);
#else
        seekdir(dirp, offset);
#endif
}

long sys_telldir

(

SMB_STRUCT_DIR *

dirp

)

system.c の 487 行で定義されています。

参照先 telldir()・telldir64().

参照元 vfswrap_telldir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_TELLDIR64)
        return (long)telldir64(dirp);
#else
        return (long)telldir(dirp);
#endif
}

void sys_rewinddir

(

SMB_STRUCT_DIR *

dirp

)

system.c の 500 行で定義されています。

参照先 rewinddir().

参照元 vfswrap_rewinddir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_REWINDDIR64)
        rewinddir64(dirp);
#else
        rewinddir(dirp);
#endif
}

int sys_closedir

(

SMB_STRUCT_DIR *

dirp

)

system.c の 513 行で定義されています。

参照先 closedir().

参照元 atalk_rrmdir()・count_num_usershares()・file_find()・findpty()・get_share_list()・get_ticket_cache()・net_usershare()・parse_usershare_file()・vfswrap_closedir().

{
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_CLOSEDIR64)
        return closedir64(dirp);
#else
        return closedir(dirp);
#endif
}

int sys_mknod	(	const char *	path,
		mode_t	mode,
		SMB_DEV_T	dev
	)

system.c の 526 行で定義されています。

参照先 errno.

参照元 vfswrap_mknod().

{
#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;
#endif
}

char* sys_realpath	(	const char *	path,
		char *	resolved_path
	)

system.c の 545 行で定義されています。

参照先 errno.

参照元 vfswrap_realpath().

{
#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
}

int sys_waitpid	(	pid_t	pid,
		int *	status,
		int	options
	)

system.c の 560 行で定義されています。

参照元 chat_with_program()・main()・open_sockets_smbd()・sig_cld()・smbrun_internal()・smbrunsecret().

{
#ifdef HAVE_WAITPID
        return waitpid(pid,status,options);
#else /* HAVE_WAITPID */
        return wait4(pid, status, options, NULL);
#endif /* HAVE_WAITPID */
}

char* sys_getwd

(

char *

s

)

system.c の 573 行で定義されています。

参照元 cmd_lcd()・generic_job_submit()・vfswrap_getwd()・wsys_getwd().

{
        char *wd;
#ifdef HAVE_GETCWD
        wd = (char *)getcwd(s, sizeof (pstring));
#else
        wd = (char *)getwd(s);
#endif
        return wd;
}

int sys_symlink	(	const char *	oldpath,
		const char *	newpath
	)

system.c の 588 行で定義されています。

参照先 errno.

参照元 vfswrap_symlink().

{
#ifndef HAVE_SYMLINK
        errno = ENOSYS;
        return -1;
#else
        return symlink(oldpath, newpath);
#endif
}

int sys_readlink	(	const char *	path,
		char *	buf,
		size_t	bufsiz
	)

system.c の 602 行で定義されています。

参照先 errno.

参照元 vfswrap_readlink().

{
#ifndef HAVE_READLINK
        errno = ENOSYS;
        return -1;
#else
        return readlink(path, buf, bufsiz);
#endif
}

int sys_link	(	const char *	oldpath,
		const char *	newpath
	)

system.c の 616 行で定義されています。

参照先 errno.

参照元 vfswrap_link().

{
#ifndef HAVE_LINK
        errno = ENOSYS;
        return -1;
#else
        return link(oldpath, newpath);
#endif
}

int sys_chown	(	const char *	fname,
		uid_t	uid,
		gid_t	gid
	)

system.c の 630 行で定義されています。

参照先 errno.

参照元 dump_core_setup()・vfswrap_chown().

{
#ifndef HAVE_CHOWN
        static int done;
        if (!done) {
                DEBUG(1,("WARNING: no chown!\n"));
                done=1;
        }
        errno = ENOSYS;
        return -1;
#else
        return(chown(fname,uid,gid));
#endif
}

int sys_chroot

(

const char *

dname

)

system.c の 648 行で定義されています。

参照先 errno.

参照元 main().

{
#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
}

struct hostent* sys_gethostbyname

(

const char *

name

)

system.c の 669 行で定義されています。

参照先 strchr_m().

参照元 get_mydnsfullname()・interpret_addr()・is_myname_or_ipaddr()・matchname()・name_to_fqdn()・resolve_hosts().

{
#ifdef REDUCE_ROOT_DNS_LOOKUPS
        char query[256], hostname[256];
        char *domain;

        /* Does this name have any dots in it? If so, make no change */

        if (strchr_m(name, '.'))
                return(gethostbyname(name));

        /* Get my hostname, which should have domain name 
                attached. If not, just do the gethostname on the
                original string. 
        */

        gethostname(hostname, sizeof(hostname) - 1);
        hostname[sizeof(hostname) - 1] = 0;
        if ((domain = strchr_m(hostname, '.')) == NULL)
                return(gethostbyname(name));

        /* Attach domain name to query and do modified query.
                If names too large, just do gethostname on the
                original string.
        */

        if((strlen(name) + strlen(domain)) >= sizeof(query))
                return(gethostbyname(name));

        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 */
}

static BOOL set_process_capability	(	enum smbd_capability	capability,
		BOOL	enable
	)			[static]

system.c の 735 行で定義されています。

参照先 DMAPI_ACCESS_CAPABILITY・errno・KERNEL_OPLOCK_CAPABILITY・LEASE_CAPABILITY・strerror().

参照元 drop_effective_capability()・set_effective_capability().

{
        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;
        }

        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;
        }

        SMB_ASSERT(num_cap_vals <= ARRAY_SIZE(cap_vals));

        if (num_cap_vals == 0) {
                cap_free(cap);
                return True;
        }

        cap_set_flag(cap, CAP_EFFECTIVE, num_cap_vals, cap_vals,
                enable ? CAP_SET : CAP_CLEAR);

        /* 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 (cap_set_proc(cap) == -1) {
                DEBUG(0, ("set_process_capability: cap_set_proc failed: %s\n",
                        strerror(errno)));
                cap_free(cap);
                return False;
        }

        cap_free(cap);
        return True;
}

void set_effective_capability

(

enum smbd_capability

capability

)

system.c の 818 行で定義されています。

参照先 set_process_capability().

参照元 irix_oplocks_available()・linux_setlease()・reattach_dmapi_session().

{
#if defined(HAVE_POSIX_CAPABILITIES)
        set_process_capability(capability, True);
#endif /* HAVE_POSIX_CAPABILITIES */
}

void drop_effective_capability

(

enum smbd_capability

capability

)

system.c の 825 行で定義されています。

参照先 set_process_capability().

参照元 chat_with_program()・smbrun_internal()・smbrunsecret().

{
#if defined(HAVE_POSIX_CAPABILITIES)
        set_process_capability(capability, False);
#endif /* HAVE_POSIX_CAPABILITIES */
}

long sys_random

(

void

)

system.c の 836 行で定義されています。

参照元 generate_trn_id()・rand_buf()・run_randomipc()・rw_torture()・rw_torture2()・rw_torture3()・sync_all_dmbs().

{
#if defined(HAVE_RANDOM)
        return (long)random();
#elif defined(HAVE_RAND)
        return (long)rand();
#else
        DEBUG(0,("Error - no random function available !\n"));
        exit(1);
#endif
}

void sys_srandom

(

unsigned int

seed

)

system.c の 852 行で定義されています。

参照元 create_procs()・generate_trn_id()・main().

{
#if defined(HAVE_SRANDOM)
        srandom(seed);
#elif defined(HAVE_SRAND)
        srand(seed);
#else
        DEBUG(0,("Error - no srandom function available !\n"));
        exit(1);
#endif
}

int groups_max

(

void

)

system.c の 868 行で定義されています。

参照元 getgroups_unix_user()・sys_getgroups()・sys_setgroups().

{
#if defined(SYSCONF_SC_NGROUPS_MAX)
        int ret = sysconf(_SC_NGROUPS_MAX);
        return (ret == -1) ? NGROUPS_MAX : ret;
#else
        return NGROUPS_MAX;
#endif
}

int sys_getgroups	(	int	setlen,
		gid_t *	gidset
	)

system.c の 882 行で定義されています。

参照先 errno・groups_max().

参照元 get_current_groups()・push_sec_ctx().

{
#if !defined(HAVE_BROKEN_GETGROUPS)
        return getgroups(setlen, gidset);
#else

        GID_T gid;
        GID_T *group_list;
        int i, ngroups;

        if(setlen == 0) {
                return getgroups(setlen, &gid);
        }

        /*
         * Broken case. We need to allocate a
         * GID_T array of size setlen.
         */

        if(setlen < 0) {
                errno = EINVAL; 
                return -1;
        } 

        if (setlen == 0)
                setlen = groups_max();

        if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
                DEBUG(0,("sys_getgroups: Malloc fail.\n"));
                return -1;
        }

        if((ngroups = getgroups(setlen, group_list)) < 0) {
                int saved_errno = errno;
                SAFE_FREE(group_list);
                errno = saved_errno;
                return -1;
        }

        for(i = 0; i < ngroups; i++)
                gidset[i] = (gid_t)group_list[i];

        SAFE_FREE(group_list);
        return ngroups;
#endif /* HAVE_BROKEN_GETGROUPS */
}

int sys_setgroups	(	int	setlen,
		gid_t *	gidset
	)

system.c の 935 行で定義されています。

参照先 errno・groups_max().

参照元 getgrouplist_internals()・pop_sec_ctx()・set_sec_ctx().

{
#if !defined(HAVE_SETGROUPS)
        errno = ENOSYS;
        return -1;
#endif /* HAVE_SETGROUPS */

#if !defined(HAVE_BROKEN_GETGROUPS)
        return setgroups(setlen, gidset);
#else

        GID_T *group_list;
        int i ; 

        if (setlen == 0)
                return 0 ;

        if (setlen < 0 || setlen > groups_max()) {
                errno = EINVAL; 
                return -1;   
        }

        /*
         * Broken case. We need to allocate a
         * GID_T array of size setlen.
         */

        if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
                DEBUG(0,("sys_setgroups: Malloc fail.\n"));
                return -1;    
        }
 
        for(i = 0; i < setlen; i++) 
                group_list[i] = (GID_T) gidset[i]; 

        if(setgroups(setlen, group_list) != 0) {
                int saved_errno = errno;
                SAFE_FREE(group_list);
                errno = saved_errno;
                return -1;
        }
 
        SAFE_FREE(group_list);
        return 0 ;
#endif /* HAVE_BROKEN_GETGROUPS */
}

void sys_setpwent

(

void

)

system.c の 986 行で定義されています。

参照元 vfs_get_user_ntquota_list().

{
        setpwent();
}

struct passwd* sys_getpwent

(

void

)

system.c の 991 行で定義されています。

参照元 vfs_get_user_ntquota_list().

{
        return getpwent();
}

void sys_endpwent

(

void

)

system.c の 996 行で定義されています。

参照元 vfs_get_user_ntquota_list().

{
        endpwent();
}

struct passwd * sys_getpwnam

(

const char *

name

)

system.c の 1016 行で定義されています。

参照先 fake_pwd・num_fake_pwd.

参照元 get_root_nt_token()・getpwnam_alloc()・init_srv_sess_info_1()・smb_complete_connection()・wsys_getpwnam().

{
        int i;

        for (i=0; i<num_fake_pwd; i++) {
                if (strcmp(fake_pwd[i].pw_name, name) == 0) {
                        DEBUG(10, ("Returning fake user %s\n", name));
                        return &fake_pwd[i];
                }
        }

        return getpwnam(name);
}

struct passwd * sys_getpwuid

(

uid_t

uid

)

system.c の 1030 行で定義されています。

参照先 fake_pwd・num_fake_pwd.

参照元 cmd_fstat()・cmd_lstat()・cmd_stat()・getpwuid_alloc()・pdb_default_uid_to_sid()・wsys_getpwuid().

{
        int i;

        for (i=0; i<num_fake_pwd; i++) {
                if (fake_pwd[i].pw_uid == uid) {
                        DEBUG(10, ("Returning fake user %s\n",
                                   fake_pwd[i].pw_name));
                        return &fake_pwd[i];
                }
        }

        return getpwuid(uid);
}

void faked_create_user

(

const char *

name

)

system.c の 1045 行で定義されています。

参照先 fake_pwd・generate_random_buffer()・num_fake_pwd.

参照元 pdb_default_create_user().

{
        int i;
        uid_t uid;
        struct passwd new_pwd;

        for (i=0; i<10; i++) {
                generate_random_buffer((unsigned char *)&uid,
                                       sizeof(uid));
                if (getpwuid(uid) == NULL) {
                        break;
                }
        }

        if (i==10) {
                /* Weird. No free uid found... */
                return;
        }

        new_pwd.pw_name = SMB_STRDUP(name);
        new_pwd.pw_passwd = SMB_STRDUP("x");
        new_pwd.pw_uid = uid;
        new_pwd.pw_gid = 100;
        new_pwd.pw_gecos = SMB_STRDUP("faked user");
        new_pwd.pw_dir = SMB_STRDUP("/nodir");
        new_pwd.pw_shell = SMB_STRDUP("/bin/false");

        ADD_TO_ARRAY(NULL, struct passwd, new_pwd, &fake_pwd,
                     &num_fake_pwd);

        DEBUG(10, ("Added fake user %s, have %d fake users\n",
                   name, num_fake_pwd));
}

struct group* sys_getgrnam

(

const char *

name

)

system.c の 1093 行で定義されています。

参照元 nametogid().

{
        return getgrnam(name);
}

struct group* sys_getgrgid

(

gid_t

gid

)

system.c の 1098 行で定義されています。

参照元 cmd_fstat()・cmd_lstat()・cmd_stat().

{
        return getgrgid(gid);
}

int wsys_stat	(	const smb_ucs2_t *	wfname,
		SMB_STRUCT_STAT *	sbuf
	)

system.c の 1115 行で定義されています。

参照先 sys_stat().

{
        pstring fname;
        return sys_stat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
}

int wsys_lstat	(	const smb_ucs2_t *	wfname,
		SMB_STRUCT_STAT *	sbuf
	)

system.c の 1125 行で定義されています。

参照先 sys_lstat().

{
        pstring fname;
        return sys_lstat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
}

int wsys_creat	(	const smb_ucs2_t *	wfname,
		mode_t	mode
	)

system.c の 1135 行で定義されています。

参照先 sys_creat().

{
        pstring fname;
        return sys_creat(unicode_to_unix(fname,wfname,sizeof(fname)), mode);
}

int wsys_open	(	const smb_ucs2_t *	wfname,
		int	oflag,
		mode_t	mode
	)

system.c の 1145 行で定義されています。

参照先 sys_open().

{
        pstring fname;
        return sys_open(unicode_to_unix(fname,wfname,sizeof(fname)), oflag, mode);
}

FILE* wsys_fopen	(	const smb_ucs2_t *	wfname,
		const char *	type
	)

system.c の 1155 行で定義されています。

参照先 sys_fopen().

{
        pstring fname;
        return sys_fopen(unicode_to_unix(fname,wfname,sizeof(fname)), type);
}

SMB_STRUCT_DIR* wsys_opendir

(

const smb_ucs2_t *

wfname

)

system.c の 1165 行で定義されています。

参照先 opendir().

{
        pstring fname;
        return opendir(unicode_to_unix(fname,wfname,sizeof(fname)));
}

SMB_STRUCT_WDIRENT* wsys_readdir

(

SMB_STRUCT_DIR *

dirp

)

system.c の 1175 行で定義されています。

参照先 sys_readdir().

{
        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;
}

smb_ucs2_t* wsys_getwd

(

smb_ucs2_t *

s

)

system.c の 1196 行で定義されています。

参照先 sys_getwd().

{
        pstring fname;
        char *p = sys_getwd(fname);

        if(!p)
                return NULL;

        return unix_to_unicode(s, p, sizeof(wpstring));
}

int wsys_chown	(	const smb_ucs2_t *	wfname,
		uid_t	uid,
		gid_t	gid
	)

system.c の 1211 行で定義されています。

{
        pstring fname;
        return chown(unicode_to_unix(fname,wfname,sizeof(fname)), uid, gid);
}

int wsys_chroot

(

const smb_ucs2_t *

wfname

)

system.c の 1221 行で定義されています。

{
        pstring fname;
        return chroot(unicode_to_unix(fname,wfname,sizeof(fname)));
}

SMB_STRUCT_WPASSWD* wsys_getpwnam

(

const smb_ucs2_t *

wname

)

system.c の 1231 行で定義されています。

参照先 name・sys_getpwnam().

{
        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;
}

SMB_STRUCT_WPASSWD* wsys_getpwuid

(

uid_t

uid

)

system.c の 1255 行で定義されています。

参照先 sys_getpwuid().

{
        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;
}

static char** extract_args

(

const char *

command

)

[static]

system.c の 1280 行で定義されています。

参照先 errno.

参照元 sys_popen().

{
        static pstring trunc_cmd;
        char *ptr;
        int argcl;
        char **argl = NULL;
        int i;

        pstrcpy(trunc_cmd, command);

        if(!(ptr = strtok(trunc_cmd, " \t"))) {
                errno = EINVAL;
                return NULL;
        }

        /*
         * Count the args.
         */

        for( argcl = 1; ptr; ptr = strtok(NULL, " \t"))
                argcl++;

        if((argl = (char **)SMB_MALLOC((argcl + 1) * sizeof(char *))) == NULL)
                return NULL;

        /*
         * Now do the extraction.
         */

        pstrcpy(trunc_cmd, command);

        ptr = strtok(trunc_cmd, " \t");
        i = 0;
        argl[i++] = ptr;

        while((ptr = strtok(NULL, " \t")) != NULL)
                argl[i++] = ptr;

        argl[i++] = NULL;
        return argl;
}

pid_t sys_fork

(

void

)

system.c の 1329 行で定義されています。

参照先 mypid.

参照元 become_daemon()・chat_with_program()・daemonize()・fork_child_dc_connect()・fork_domain_child()・init_mount()・open_sockets_smbd()・smbrun_internal()・smbrunsecret()・start_async_dns()・start_background_queue()・sync_browse_lists()・sys_popen()・wins_write_database().

{
        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;
}

pid_t sys_getpid

(

void

)

system.c の 1343 行で定義されています。

参照先 mypid.

参照元 _Insure_trap_error()・_svcctl_query_service_status_ex()・alloc_sub_basic()・another_ldap_try()・cli_initialise()・cli_send_mailslot()・cmd_print()・count_current_connections()・create_policy_hnd()・dbghdr()・dfs_auth()・dfs_unlogin()・do_connection()・do_reseed()・do_winbind_onlinestatus()・fam_open_connection()・fault_report()・file_new()・fill_pipe_open_rec()・fork_child_dc_connect()・fork_domain_child()・generate_name_trn_id()・generate_trn_id()・get_printer_notify_pid_list()・get_rand_seed()・init_dmapi_service()・irix_oplocks_available()・main()・message_dispatch()・msg_inject_fault()・open_rpc_pipe_p()・parse_dest()・pidfile_create()・print_job_end()・print_job_endpage()・print_job_fd()・print_job_fname()・print_job_set_name()・print_job_start()・print_job_write()・print_notify_deregister_pid()・print_notify_register_pid()・process_kernel_oplocks()・process_oplock_async_level2_break_message()・process_oplock_break_message()・procid_is_me()・procid_self()・reply_lanman1()・reply_lanman2()・reply_nt1()・retrieve_all_messages()・send_fs_socket()・session_claim()・set_updating_pid()・shutdown_other_smbds()・smb_panic()・smb_umount()・smbc_init_context()・smbldap_open()・srv_spoolss_drv_upgrade_printer()・srv_spoolss_reset_printerdata()・switch_message()・sys_select()・sys_utmp_fill()・wins_write_database().

{
        if (mypid == (pid_t)-1)
                mypid = getpid();

        return mypid;
}

int sys_popen

(

const char *

command

)

system.c の 1366 行で定義されています。

参照先 _popen_list::child_pid・errno・extract_args()・_popen_list::fd・_popen_list::next・popen_chain・sys_fork().

参照元 file_pload().

{
        int parent_end, child_end;
        int pipe_fds[2];
        popen_list *entry = NULL;
        char **argl = NULL;

        if (pipe(pipe_fds) < 0)
                return -1;

        parent_end = pipe_fds[0];
        child_end = pipe_fds[1];

        if (!*command) {
                errno = EINVAL;
                goto err_exit;
        }

        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)))
                goto err_exit;

        entry->child_pid = sys_fork();

        if (entry->child_pid == -1) {
                goto err_exit;
        }

        if (entry->child_pid == 0) {

                /*
                 * Child !
                 */

                int child_std_end = STDOUT_FILENO;
                popen_list *p;

                close(parent_end);
                if (child_end != child_std_end) {
                        dup2 (child_end, child_std_end);
                        close (child_end);
                }

                /*
                 * POSIX.2:  "popen() shall ensure that any streams from previous
                 * popen() calls that remain open in the parent process are closed
                 * in the new child process."
                 */

                for (p = popen_chain; p; p = p->next)
                        close(p->fd);

                execv(argl[0], argl);
                _exit (127);
        }

        /*
         * Parent.
         */

        close (child_end);
        SAFE_FREE(argl);

        /* Link into popen_chain. */
        entry->next = popen_chain;
        popen_chain = entry;
        entry->fd = parent_end;

        return entry->fd;

err_exit:

        SAFE_FREE(entry);
        SAFE_FREE(argl);
        close(pipe_fds[0]);
        close(pipe_fds[1]);
        return -1;
}

int sys_pclose

(

int

fd

)

system.c の 1457 行で定義されています。

参照先 _popen_list::next・popen_chain・status.

参照元 file_pload().

{
        int wstatus;
        popen_list **ptr = &popen_chain;
        popen_list *entry = NULL;
        pid_t wait_pid;
        int status = -1;

        /* Unlink from popen_chain. */
        for ( ; *ptr != NULL; ptr = &(*ptr)->next) {
                if ((*ptr)->fd == fd) {
                        entry = *ptr;
                        *ptr = (*ptr)->next;
                        status = 0;
                        break;
                }
        }

        if (status < 0 || close(entry->fd) < 0)
                return -1;

        /*
         * As Samba is catching and eating child process
         * exits we don't really care about the child exit
         * code, a -1 with errno = ECHILD will do fine for us.
         */

        do {
                wait_pid = sys_waitpid (entry->child_pid, &wstatus, 0);
        } while (wait_pid == -1 && errno == EINTR);

        SAFE_FREE(entry);

        if (wait_pid == -1)
                return -1;
        return wstatus;
}

void* sys_dlopen	(	const char *	name,
		int	flags
	)

system.c の 1499 行で定義されています。

参照元 do_smb_load_module()・find_fn()・init_gpfs().

{
#if defined(HAVE_DLOPEN)
        return dlopen(name, flags);
#else
        return NULL;
#endif
}

void* sys_dlsym	(	void *	handle,
		const char *	symbol
	)

system.c の 1508 行で定義されています。

参照元 do_smb_load_module()・find_fn()・init_gpfs().

{
#if defined(HAVE_DLSYM)
    return dlsym(handle, symbol);
#else
    return NULL;
#endif
}

int sys_dlclose

(

void *

handle

)

system.c の 1517 行で定義されています。

参照元 init_gpfs().

{
#if defined(HAVE_DLCLOSE)
        return dlclose(handle);
#else
        return 0;
#endif
}

const char* sys_dlerror

(

void

)

system.c の 1526 行で定義されています。

参照元 do_smb_load_module().

{
#if defined(HAVE_DLERROR)
        return dlerror();
#else
        return NULL;
#endif
}

int sys_dup2	(	int	oldfd,
		int	newfd
	)

system.c の 1535 行で定義されています。

参照先 errno.

参照元 dochild()・reopen_logs()・smbrun_internal()・smbrunsecret().

{
#if defined(HAVE_DUP2)
        return dup2(oldfd, newfd);
#else
        errno = ENOSYS;
        return -1;
#endif
}

void sys_adminlog	(	int	priority,
		const char *	format_str,
			...
	)

system.c の 1549 行で定義されています。

参照先 msgbuf・vasprintf().

参照元 print_job_delete()・print_job_pause()・print_job_resume().

{
        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
        DEBUG(0,("%s", msgbuf ));
#endif
        SAFE_FREE(msgbuf);
}

static int solaris_write_xattr	(	int	attrfd,
		const char *	value,
		size_t	size
	)			[static]

system.c の 2426 行で定義されています。

参照元 sys_fsetxattr()・sys_lsetxattr()・sys_setxattr().

{
        if ((ftruncate(attrfd, 0) == 0) && (write(attrfd, value, size) == size)) {
                return 0;
        } else {
                DEBUG(10,("solaris_write_xattr FAILED!\n"));
                return -1;
        }
}

static ssize_t solaris_read_xattr	(	int	attrfd,
		void *	value,
		size_t	size
	)			[static]

system.c の 2317 行で定義されています。

参照先 errno.

参照元 sys_fgetxattr()・sys_getxattr()・sys_lgetxattr().

{
        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
	)			[static]

system.c の 2340 行で定義されています。

参照先 closedir()・errno・len・readdir()・strerror().

参照元 sys_flistxattr()・sys_listxattr()・sys_llistxattr().

{
        ssize_t len = 0;
        int stop = 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;
                        /* check size and copy entrie02364                 } else {