From f074d6ef57de28a2855fb2f8d3357ec46cbe8be0 Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Wed, 19 Apr 2000 08:23:13 +0000 Subject: split fsusage() into a separate module (to fix linking problems with spoolssd in tng) (This used to be commit e2eacdd74c369fbbcd118148149321e36f3d0010) --- source3/Makefile.in | 4 +- source3/include/proto.h | 4 ++ source3/lib/fsusage.c | 149 ++++++++++++++++++++++++++++++++++++++++++++++++ source3/smbd/dfree.c | 129 +---------------------------------------- 4 files changed, 157 insertions(+), 129 deletions(-) create mode 100644 source3/lib/fsusage.c diff --git a/source3/Makefile.in b/source3/Makefile.in index 9bf86d9e7c..1f85603b5d 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -106,7 +106,7 @@ LIB_OBJ = lib/charcnv.o lib/charset.o lib/debug.o lib/fault.o \ lib/util_array.o lib/util_str.o lib/util_sid.o \ lib/util_unistr.o lib/util_file.o \ lib/util.o lib/util_sock.o lib/util_sec.o smbd/ssl.o lib/fnmatch.o \ - tdb/tdb.o lib/talloc.o lib/hash.o lib/substitute.o + tdb/tdb.o lib/talloc.o lib/hash.o lib/substitute.o lib/fsusage.o UBIQX_OBJ = ubiqx/ubi_BinTree.o ubiqx/ubi_Cache.o ubiqx/ubi_SplayTree.o \ ubiqx/ubi_dLinkList.o ubiqx/ubi_sLinkList.o ubiqx/debugparse.o @@ -153,7 +153,7 @@ PROFILE_OBJ = profile/profile.o SMBD_OBJ1 = smbd/server.o smbd/files.o smbd/chgpasswd.o smbd/connection.o \ smbd/dfree.o smbd/dir.o smbd/password.o smbd/conn.o smbd/fileio.o \ - smbd/ipc.o smbd/mangle.o smbd/negprot.o \ + smbd/ipc.o smbd/lanman.o smbd/mangle.o smbd/negprot.o \ smbd/message.o smbd/nttrans.o smbd/pipes.o \ smbd/reply.o smbd/trans2.o smbd/uid.o \ smbd/dosmode.o smbd/filename.o smbd/open.o smbd/close.o smbd/blocking.o \ diff --git a/source3/include/proto.h b/source3/include/proto.h index b4e33652ff..4e5b614f56 100644 --- a/source3/include/proto.h +++ b/source3/include/proto.h @@ -91,6 +91,10 @@ void fault_setup(void (*fn)(void *)); int fnmatch (const char *pattern, const char *string, int flags); +/*The following definitions come from lib/fsusage.c */ + +int sys_fsusage(const char *path, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize); + /*The following definitions come from lib/genrand.c */ void generate_random_buffer( unsigned char *out, int len, BOOL re_seed); diff --git a/source3/lib/fsusage.c b/source3/lib/fsusage.c new file mode 100644 index 0000000000..1bff1f953e --- /dev/null +++ b/source3/lib/fsusage.c @@ -0,0 +1,149 @@ +/* + Unix SMB/Netbios implementation. + Version 3.0. + functions to calculate the free disk space + Copyright (C) Andrew Tridgell 1998-2000 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + + +/* Return the number of TOSIZE-byte blocks used by + BLOCKS FROMSIZE-byte blocks, rounding away from zero. +*/ +static SMB_BIG_UINT adjust_blocks(SMB_BIG_UINT blocks, SMB_BIG_UINT fromsize, SMB_BIG_UINT tosize) +{ + if (fromsize == tosize) /* e.g., from 512 to 512 */ + return blocks; + else if (fromsize > tosize) /* e.g., from 2048 to 512 */ + return blocks * (fromsize / tosize); + else /* e.g., from 256 to 512 */ + return (blocks + 1) / (tosize / fromsize); +} + +/* this does all of the system specific guff to get the free disk space. + It is derived from code in the GNU fileutils package, but has been + considerably mangled for use here + + results are returned in *dfree and *dsize, in 512 byte units +*/ +int sys_fsusage(const char *path, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) +{ +#ifdef STAT_STATFS3_OSF1 +#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) + struct statfs fsd; + + if (statfs (path, &fsd, sizeof (struct statfs)) != 0) + return -1; +#endif /* STAT_STATFS3_OSF1 */ + +#ifdef STAT_STATFS2_FS_DATA /* Ultrix */ +#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)1024, (SMB_BIG_UINT)512) + struct fs_data fsd; + + if (statfs (path, &fsd) != 1) + return -1; + + (*dsize) = CONVERT_BLOCKS (fsd.fd_req.btot); + (*dfree) = CONVERT_BLOCKS (fsd.fd_req.bfreen); +#endif /* STAT_STATFS2_FS_DATA */ + +#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */ +#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) + struct statfs fsd; + + if (statfs (path, &fsd) < 0) + return -1; + +#ifdef STATFS_TRUNCATES_BLOCK_COUNTS + /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the + struct statfs are truncated to 2GB. These conditions detect that + truncation, presumably without botching the 4.1.1 case, in which + the values are not truncated. The correct counts are stored in + undocumented spare fields. */ + if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0) { + fsd.f_blocks = fsd.f_spare[0]; + fsd.f_bfree = fsd.f_spare[1]; + fsd.f_bavail = fsd.f_spare[2]; + } +#endif /* STATFS_TRUNCATES_BLOCK_COUNTS */ +#endif /* STAT_STATFS2_BSIZE */ + + +#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */ +#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) + + struct statfs fsd; + + if (statfs (path, &fsd) < 0) + return -1; +#endif /* STAT_STATFS2_FSIZE */ + +#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */ +# if _AIX || defined(_CRAY) +# define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) +# ifdef _CRAY +# define f_bavail f_bfree +# endif +# else +# define CONVERT_BLOCKS(B) ((SMB_BIG_UINT)B) +# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx */ +# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ +# define f_bavail f_bfree +# endif +# endif +# endif + + struct statfs fsd; + + if (statfs (path, &fsd, sizeof fsd, 0) < 0) + return -1; + /* Empirically, the block counts on most SVR3 and SVR3-derived + systems seem to always be in terms of 512-byte blocks, + no matter what value f_bsize has. */ + +#endif /* STAT_STATFS4 */ + +#if defined(STAT_STATVFS) || defined(STAT_STATVFS64) /* SVR4 */ +# define CONVERT_BLOCKS(B) \ + adjust_blocks ((SMB_BIG_UINT)(B), fsd.f_frsize ? (SMB_BIG_UINT)fsd.f_frsize : (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) + +#ifdef STAT_STATVFS64 + struct statvfs64 fsd; + if (statvfs64(path, &fsd) < 0) return -1; +#else + struct statvfs fsd; + if (statvfs(path, &fsd) < 0) return -1; +#endif + + /* f_frsize isn't guaranteed to be supported. */ + +#endif /* STAT_STATVFS */ + +#ifndef CONVERT_BLOCKS + /* we don't have any dfree code! */ + return -1; +#else +#if !defined(STAT_STATFS2_FS_DATA) + /* !Ultrix */ + (*dsize) = CONVERT_BLOCKS (fsd.f_blocks); + (*dfree) = CONVERT_BLOCKS (fsd.f_bavail); +#endif /* not STAT_STATFS2_FS_DATA */ +#endif + + return 0; +} diff --git a/source3/smbd/dfree.c b/source3/smbd/dfree.c index eff718b148..ee5722acd5 100644 --- a/source3/smbd/dfree.c +++ b/source3/smbd/dfree.c @@ -61,131 +61,6 @@ static void disk_norm(BOOL small_query, SMB_BIG_UINT *bsize,SMB_BIG_UINT *dfree, } -/* Return the number of TOSIZE-byte blocks used by - BLOCKS FROMSIZE-byte blocks, rounding away from zero. -*/ -static SMB_BIG_UINT adjust_blocks(SMB_BIG_UINT blocks, SMB_BIG_UINT fromsize, SMB_BIG_UINT tosize) -{ - if (fromsize == tosize) /* e.g., from 512 to 512 */ - return blocks; - else if (fromsize > tosize) /* e.g., from 2048 to 512 */ - return blocks * (fromsize / tosize); - else /* e.g., from 256 to 512 */ - return (blocks + 1) / (tosize / fromsize); -} - -/* this does all of the system specific guff to get the free disk space. - It is derived from code in the GNU fileutils package, but has been - considerably mangled for use here - - results are returned in *dfree and *dsize, in 512 byte units -*/ -static int fsusage(const char *path, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) -{ -#ifdef STAT_STATFS3_OSF1 -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) - struct statfs fsd; - - if (statfs (path, &fsd, sizeof (struct statfs)) != 0) - return -1; -#endif /* STAT_STATFS3_OSF1 */ - -#ifdef STAT_STATFS2_FS_DATA /* Ultrix */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)1024, (SMB_BIG_UINT)512) - struct fs_data fsd; - - if (statfs (path, &fsd) != 1) - return -1; - - (*dsize) = CONVERT_BLOCKS (fsd.fd_req.btot); - (*dfree) = CONVERT_BLOCKS (fsd.fd_req.bfreen); -#endif /* STAT_STATFS2_FS_DATA */ - -#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) - struct statfs fsd; - - if (statfs (path, &fsd) < 0) - return -1; - -#ifdef STATFS_TRUNCATES_BLOCK_COUNTS - /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the - struct statfs are truncated to 2GB. These conditions detect that - truncation, presumably without botching the 4.1.1 case, in which - the values are not truncated. The correct counts are stored in - undocumented spare fields. */ - if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0) { - fsd.f_blocks = fsd.f_spare[0]; - fsd.f_bfree = fsd.f_spare[1]; - fsd.f_bavail = fsd.f_spare[2]; - } -#endif /* STATFS_TRUNCATES_BLOCK_COUNTS */ -#endif /* STAT_STATFS2_BSIZE */ - - -#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) - - struct statfs fsd; - - if (statfs (path, &fsd) < 0) - return -1; -#endif /* STAT_STATFS2_FSIZE */ - -#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */ -# if _AIX || defined(_CRAY) -# define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) -# ifdef _CRAY -# define f_bavail f_bfree -# endif -# else -# define CONVERT_BLOCKS(B) ((SMB_BIG_UINT)B) -# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx */ -# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ -# define f_bavail f_bfree -# endif -# endif -# endif - - struct statfs fsd; - - if (statfs (path, &fsd, sizeof fsd, 0) < 0) - return -1; - /* Empirically, the block counts on most SVR3 and SVR3-derived - systems seem to always be in terms of 512-byte blocks, - no matter what value f_bsize has. */ - -#endif /* STAT_STATFS4 */ - -#if defined(STAT_STATVFS) || defined(STAT_STATVFS64) /* SVR4 */ -# define CONVERT_BLOCKS(B) \ - adjust_blocks ((SMB_BIG_UINT)(B), fsd.f_frsize ? (SMB_BIG_UINT)fsd.f_frsize : (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) - -#ifdef STAT_STATVFS64 - struct statvfs64 fsd; - if (statvfs64(path, &fsd) < 0) return -1; -#else - struct statvfs fsd; - if (statvfs(path, &fsd) < 0) return -1; -#endif - - /* f_frsize isn't guaranteed to be supported. */ - -#endif /* STAT_STATVFS */ - -#ifndef CONVERT_BLOCKS - /* we don't have any dfree code! */ - return -1; -#else -#if !defined(STAT_STATFS2_FS_DATA) - /* !Ultrix */ - (*dsize) = CONVERT_BLOCKS (fsd.f_blocks); - (*dfree) = CONVERT_BLOCKS (fsd.f_bavail); -#endif /* not STAT_STATFS2_FS_DATA */ -#endif - - return 0; -} /**************************************************************************** return number of 1K blocks available on a path and total number @@ -246,10 +121,10 @@ static SMB_BIG_UINT disk_free(char *path, BOOL small_query, } else { DEBUG (0, ("disk_free: sys_popen() failed for command %s. Error was : %s\n", syscmd, strerror(errno) )); - fsusage(path, dfree, dsize); + sys_fsusage(path, dfree, dsize); } } else - fsusage(path, dfree, dsize); + sys_fsusage(path, dfree, dsize); if (disk_quotas(path, &bsize_q, &dfree_q, &dsize_q)) { (*bsize) = bsize_q; -- cgit