/* Unix SMB/CIFS implementation. System QUOTA function wrappers for QUOTACTL_4A Copyright (C) Stefan (metze) Metzmacher 2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_QUOTA #ifndef HAVE_SYS_QUOTAS #ifdef HAVE_QUOTACTL_4A #undef HAVE_QUOTACTL_4A #endif #endif #ifdef HAVE_QUOTACTL_4A /* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */ /* this is used by: HPUX,IRIX */ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_ASM_TYPES_H #include <asm/types.h> #endif #ifdef HAVE_SYS_QUOTA_H #include <sys/quota.h> #endif #ifndef Q_SETQLIM #define Q_SETQLIM Q_SETQUOTA #endif #ifndef QCMD #define QCMD(x,y) x #endif #ifndef QCMD #define QCMD(x,y) x #endif #ifdef GRPQUOTA #define HAVE_GROUP_QUOTA #endif #ifndef QUOTABLOCK_SIZE #define QUOTABLOCK_SIZE DEV_BSIZE #endif #ifdef HAVE_DQB_FSOFTLIMIT #define dqb_isoftlimit dqb_fsoftlimit #define dqb_ihardlimit dqb_fhardlimit #define dqb_curinodes dqb_curfiles #endif #ifdef INITQFNAMES #define USERQUOTAFILE_EXTENSION ".user" #else #define USERQUOTAFILE_EXTENSION "" #endif #if !defined(QUOTAFILENAME) && defined(QFILENAME) #define QUOTAFILENAME QFILENAME #endif /**************************************************************************** Abstract out the quotactl_4A get calls. ****************************************************************************/ int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp) { int ret = -1; uint32 qflags = 0; struct dqblk D; uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE; ZERO_STRUCT(D); ZERO_STRUCT(*dp); dp->qtype = qtype; switch (qtype) { case SMB_USER_QUOTA_TYPE: DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n", path, bdev, (unsigned)id.uid)); if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))&&errno != EDQUOT) { return ret; } if ((D.dqb_curblocks==0)&& (D.dqb_bsoftlimit==0)&& (D.dqb_bhardlimit==0)) { /* the upper layer functions don't want empty quota records...*/ return -1; } break; #ifdef HAVE_GROUP_QUOTA case SMB_GROUP_QUOTA_TYPE: DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n", path, bdev, (unsigned)id.gid)); if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))&&errno != EDQUOT) { return ret; } if ((D.dqb_curblocks==0)&& (D.dqb_bsoftlimit==0)&& (D.dqb_bhardlimit==0)) { /* the upper layer functions don't want empty quota records...*/ return -1; } break; #endif /* HAVE_GROUP_QUOTA */ case SMB_USER_FS_QUOTA_TYPE: id.uid = getuid(); DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n", path, (caddr_t)bdev, (unsigned)id.uid)); if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) { qflags |= QUOTAS_DENY_DISK; } ret = 0; break; #ifdef HAVE_GROUP_QUOTA case SMB_GROUP_FS_QUOTA_TYPE: id.gid = getgid(); DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n", path, bdev, (unsigned)id.gid)); if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) { qflags |= QUOTAS_DENY_DISK; } ret = 0; break; #endif /* HAVE_GROUP_QUOTA */ default: errno = ENOSYS; return -1; } dp->bsize = bsize; dp->softlimit = (uint64_t)D.dqb_bsoftlimit; dp->hardlimit = (uint64_t)D.dqb_bhardlimit; dp->ihardlimit = (uint64_t)D.dqb_ihardlimit; dp->isoftlimit = (uint64_t)D.dqb_isoftlimit; dp->curinodes = (uint64_t)D.dqb_curinodes; dp->curblocks = (uint64_t)D.dqb_curblocks; dp->qflags = qflags; return ret; } /**************************************************************************** Abstract out the quotactl_4A set calls. ****************************************************************************/ int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp) { int ret = -1; uint32 qflags = 0; uint32 oldqflags = 0; struct dqblk D; uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE; ZERO_STRUCT(D); if (bsize == dp->bsize) { D.dqb_bsoftlimit = dp->softlimit; D.dqb_bhardlimit = dp->hardlimit; D.dqb_ihardlimit = dp->ihardlimit; D.dqb_isoftlimit = dp->isoftlimit; } else { D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize; D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize; D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize; D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize; } qflags = dp->qflags; switch (qtype) { case SMB_USER_QUOTA_TYPE: DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n", path, bdev, (unsigned)id.uid)); ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D); break; #ifdef HAVE_GROUP_QUOTA case SMB_GROUP_QUOTA_TYPE: DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n", path, bdev, (unsigned)id.gid)); ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D); break; #endif /* HAVE_GROUP_QUOTA */ case SMB_USER_FS_QUOTA_TYPE: /* this stuff didn't work as it should: * switching on/off quota via quotactl() * didn't work! * So we just return 0 * --metze * * On HPUX we didn't have the mount path, * we need to fix sys_path_to_bdev() * */ id.uid = getuid(); DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n", path, bdev, (unsigned)id.uid)); #if 0 ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D); if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) { if (ret == 0) { char *quota_file = NULL; asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION); if (quota_file == NULL) { DEBUG(0,("asprintf() failed!\n")); errno = ENOMEM; return -1; } ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), (caddr_t)bdev, -1,(void *)quota_file); } else { ret = 0; } } else { if (ret != 0) { /* turn off */ ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), (caddr_t)bdev, -1, (void *)0); } else { ret = 0; } } DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n", ret,errno,strerror(errno),id.uid,bdev)); #else if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) { oldqflags |= QUOTAS_DENY_DISK; } if (oldqflags == qflags) { ret = 0; } else { ret = -1; } #endif break; #ifdef HAVE_GROUP_QUOTA case SMB_GROUP_FS_QUOTA_TYPE: /* this stuff didn't work as it should: * switching on/off quota via quotactl() * didn't work! * So we just return 0 * --metze * * On HPUX we didn't have the mount path, * we need to fix sys_path_to_bdev() * */ id.gid = getgid(); DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n", path, bdev, (unsigned)id.gid)); #if 0 ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D); if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) { if (ret == 0) { char *quota_file = NULL; asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,GROUPQUOTAFILE_EXTENSION); if (quota_file == NULL) { DEBUG(0,("asprintf() failed!\n")); errno = ENOMEM; return -1; } ret = quotactl(QCMD(Q_QUOTAON,GRPQUOTA), (caddr_t)bdev, -1,(void *)quota_file); } else { ret = 0; } } else { if (ret != 0) { /* turn off */ ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), (caddr_t)bdev, -1, (void *)0); } else { ret = 0; } } DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n", ret,errno,strerror(errno),id.gid,bdev)); #else if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) { oldqflags |= QUOTAS_DENY_DISK; } if (oldqflags == qflags) { ret = 0; } else { ret = -1; } #endif break; #endif /* HAVE_GROUP_QUOTA */ default: errno = ENOSYS; return -1; } return ret; } #else /* HAVE_QUOTACTL_4A */ void dummy_sysquotas_4A(void); void dummy_sysquotas_4A(void){} #endif /* HAVE_QUOTACTL_4A */