diff options
Diffstat (limited to 'source3/smbd/quotas.c')
| -rw-r--r-- | source3/smbd/quotas.c | 147 |
1 files changed, 145 insertions, 2 deletions
diff --git a/source3/smbd/quotas.c b/source3/smbd/quotas.c index badc0562bc..329f261f27 100644 --- a/source3/smbd/quotas.c +++ b/source3/smbd/quotas.c @@ -30,6 +30,17 @@ extern int DEBUGLEVEL; +#if defined(VXFS_QUOTA) + +/* + * In addition to their native filesystems, some systems have Veritas VxFS. + * Declare here, define at end: reduces likely "include" interaction problems. + * David Lee <T.D.Lee@durham.ac.uk> + */ +BOOL disk_quotas_vxfs(const pstring name, char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize); + +#endif /* VXFS_QUOTA */ + #ifdef LINUX #include <sys/types.h> @@ -251,7 +262,7 @@ BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_U #if defined(SUNOS5) struct quotctl command; int file; - struct mnttab mnt; + static struct mnttab mnt; static pstring name; #else /* SunOS4 */ struct mntent *mnt; @@ -338,7 +349,18 @@ BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_U if (ret < 0) { DEBUG(5,("disk_quotas ioctl (Solaris) failed. Error = %s\n", strerror(errno) )); - return(False); + +#if defined(SUNOS5) && defined(VXFS_QUOTA) + /* If normal quotactl() fails, try vxfs private calls */ + set_effective_uid(euser_id); + DEBUG(5,("disk_quotas: mount type \"%s\"\n", mnt.mnt_fstype)); + if ( 0 == strcmp ( mnt.mnt_fstype, "vxfs" )) { + ret = disk_quotas_vxfs(name, path, bsize, dfree, dsize); + return(ret); + } +#else + return(False); +#endif } @@ -659,3 +681,124 @@ BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_U } #endif + +#if defined(VXFS_QUOTA) + +/**************************************************************************** +Try to get the disk space from Veritas disk quotas. + David Lee <T.D.Lee@durham.ac.uk> August 1999. + +Background assumptions: + Potentially under many Operating Systems. Initially Solaris 2. + + My guess is that Veritas is largely, though not entirely, + independent of OS. So I have separated it out. + + There may be some details. For example, OS-specific "include" files. + + It is understood that HPUX 10 somehow gets Veritas quotas without + any special effort; if so, this routine need not be compiled in. + Dirk De Wachter <Dirk.DeWachter@rug.ac.be> + +Warning: + It is understood that Veritas do not publicly support this ioctl interface. + Rather their preference would be for the user (us) to call the native + OS and then for the OS itself to call through to the VxFS filesystem. + Presumably HPUX 10, see above, does this. + +Hints for porting: + Add your OS to "IFLIST" below. + Get it to compile successfully: + Almost certainly "include"s require attention: see SUNOS5. + In the main code above, arrange for it to be called: see SUNOS5. + Test! + +****************************************************************************/ + +/* "IFLIST" + * This "if" is a list of ports: + * if defined(OS1) || defined(OS2) || ... + */ +#if defined(SUNOS5) + +#if defined(SUNOS5) +#include <sys/fs/vx_solaris.h> +#endif +#include <sys/fs/vx_machdep.h> +#include <sys/fs/vx_layout.h> +#include <sys/fs/vx_quota.h> +#include <sys/fs/vx_aioctl.h> +#include <sys/fs/vx_ioctl.h> + +BOOL disk_quotas_vxfs(const pstring name, char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) +{ + uid_t user_id, euser_id; + int ret; + struct vx_dqblk D; + struct vx_quotctl quotabuf; + struct vx_genioctl genbuf; + pstring qfname; + int file; + + /* + * "name" may or may not include a trailing "/quotas". + * Arranging consistency of calling here in "quotas.c" may not be easy and + * it might be easier to examine and adjust it here. + * Fortunately, VxFS seems not to mind at present. + */ + pstrcpy(qfname, name) ; + /* pstrcat(qfname, "/quotas") ; */ /* possibly examine and adjust "name" */ + + euser_id = geteuid(); + set_effective_uid(0); + + DEBUG(5,("disk_quotas: looking for VxFS quotas file \"%s\"\n", qfname)); + if((file=sys_open(qfname, O_RDONLY,0))<0) { + set_effective_uid(euser_id); + return(False); + } + genbuf.ioc_cmd = VX_QUOTACTL; + genbuf.ioc_up = (void *) "abuf; + + quotabuf.cmd = VX_GETQUOTA; + quotabuf.uid = euser_id; + quotabuf.addr = (caddr_t) &D; + ret = ioctl(file, VX_ADMIN_IOCTL, &genbuf); + close(file); + + set_effective_uid(euser_id); + + if (ret < 0) { + DEBUG(5,("disk_quotas ioctl (VxFS) failed. Error = %s\n", strerror(errno) )); + return(False); + } + + /* Use softlimit to determine disk space. A user exceeding the quota is told + * that there's no space left. Writes might actually work for a bit if the + * hardlimit is set higher than softlimit. Effectively the disk becomes + * made of rubber latex and begins to expand to accommodate the user :-) + */ + DEBUG(5,("disk_quotas for path \"%s\" block c/s/h %ld/%ld/%ld; file c/s/h %ld/%ld/%ld\n", + path, D.dqb_curblocks, D.dqb_bsoftlimit, D.dqb_bhardlimit, + D.dqb_curfiles, D.dqb_fsoftlimit, D.dqb_fhardlimit)); + + if (D.dqb_bsoftlimit==0) + return(False); + *bsize = DEV_BSIZE; + *dsize = D.dqb_bsoftlimit; + + if (D.dqb_curblocks > D.dqb_bsoftlimit) { + *dfree = 0; + *dsize = D.dqb_curblocks; + } else + *dfree = D.dqb_bsoftlimit - D.dqb_curblocks; + + DEBUG(5,("disk_quotas for path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n", + path,(double)*bsize,(double)*dfree,(double)*dsize)); + + return(True); +} + +#endif /* SUNOS5 || ... */ + +#endif /* VXFS_QUOTA */ |